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  Political
 The Sui Dynasty united China and prepared China for its later golden age with the Grand Canal, among other things.
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  Political
 The rise of the Tang facilitated China's golden age, increased trade along the Silk Road for China, and increased its influence.
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  Social and Economic
 The Tang, and later the Song, allowed China to prosper with Silk Road trade, the tributary system, and many innovations and inventions.
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  Religion
 Muhammad created the shared Islamic identity of Muslims, the umma, and started the Islamic calendar. The religion would eventually become important in locations worldwide.
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  Political and Religion
 Muhammad's successors created the first Islamic Caliphate, which would eventually unite and spread Islam throughout the Middle East and North Africa.
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  Political
 The beginning of the Swahili Civilization marked the start of the increase in trade and cultural contact in East Africa.
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  Political
 The transition between caliphates showed that non-Arabs were increasingly wanting to be involved with the politics of the caliphates.
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  Religion
 The Schism divided the east and the west; uneasiness between the two churches resulted in divisiveness and animosity; the churches remain split to this day.
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  Political
 Ghana's decline allowed other nations, namely Mali, to rise and take up Ghana's previous role of the primary trading nation in the area.
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  Religion and Political
 The start of the Crusades coincides with Western Europe's increase in interaction with the rest of the world, and ideas and innovations spread.
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  Economic and Political
 The Hanseatic League allowed trade to prosper in Northern Europe because it protected and endorsed its members and their commerce.
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  Political
 The end of the Crusades brought stability to Europe, and the stability fostered growth; many innovations were created or exchanged.
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  Political
 The Delhi Sultanate was created through forceful invasions of South Asia, and it caused destruction and the spread of Islam.
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  Political
 Takrur's increase in importance in West Africa under Sumanguru lead to increased political power for Sumanguru and more trade in the area.
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  Economic
 Because East Africa became more integrated to other places by trade, cities were created, and goods and customs were exchanged.
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  Political
 With the rise of Great Zimbabwe, East Africa had a major trading nation based on gold. The kingdom increased trade in the area.
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  Political
 The end of the Abbasid Caliphate ended Islam's control over politics in the Middle East because Mongol outsiders took control.
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  Political
 With the Malinke people's defeat of Sumanguru, the most important Islamic trading nation along the Saharan Trade Routes was created.
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  Political
 The Mongols founded the Yuan Dynasty in much of the area of present-day China for the first time, changing the country a lot.
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  Political
 The Sultanate took over India's most prosperous region, integrating the economy of Gujarat with that of Delhi and other places.
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  Religous
 When Mali's ruler returned from Mecca, he promoted Islam in Mali extensively, leading to the religion's dominance in the area.
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  Political and Social
 The fall of the khanate prevented the Mongol's from further ruining life in the area as the agriculture and customs had been previously neglected.
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  Political
 Starting the decline of the Sultanate, Bengal left the Sultanate due to internal unrest within the Sultanate and became a hotspot for the Sufi traditions.
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  Area and Social
 The Black Death killed 1/3 of Europe's population, resulting in a demand and increasing in rights for skilled workers and mass emigration from cities.
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  Area
 When gold supplies ran out, Great Zimbabwe fell because it could no longer sustain its gold trade in the Indian Ocean.
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  Political
 When the Yuan Dynasty fell, it allowed the Chinese to dispose of Mongol leaders and reinstate Chinese at the top as the Ming Dynasty.
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  Political
 When Gujarat left the Sultanate, it caused unrest; the Sultanate was in trouble as Gujarat was one of the most important provinces, economically and politically.
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  Political
 The final catalyst of the Sultanate's fall, the invasion by the Turko-Mongols, caused the Islamic government to fall, allowing Hinduism to return to prominence.
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  Political
 When the Mali Empire declined, West Africa had become disunified and lost much of its importance in trade and Islam.
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  Religion
 By 1500, Islam had spread to East Africa, resulting in diverse languages, new customs, and increased trade for the Swahili Coast.