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Influence of sea power
naval warfare published in 1890 by Alfred Thayer Mahan. ... Its policies were quickly adopted by most major navies, ultimately leading to the World War I naval arms race. -
Annexation of Hawaii
Dole declared Hawaii an independent republic. Spurred by the nationalism aroused by the Spanish-American War, the United States annexed Hawaii in 1898 at the urging of President William McKinley. Hawaii was made a territory in 1900, and Dole became its first governor. -
Spanish American War
The Spanish–American War was an armed conflict between Spain and the United States in 1898. Hostilities began in the aftermath of the internal explosion of USS Maine in Havana Harbor in Cuba, leading to U.S. intervention in the Cuban War of Independence. -
Open Door Policy
The Open Door Policy is a term in foreign affairs initially used to refer to the United States policy established in the late 19th century and the early 20th century that would allow for a system of trade in China open to all countries equally. -
Panama Canal U.S. Construction Begins
The Panama Canal officially opened on August 15, 1914, although the planned grand ceremony was downgraded due to the outbreak of WWI. Completed at a cost of more than $350 million, it was the most expensive construction project in U.S. history to that point.