Updated timelines

Causes of WW2
Development of the Colony
AT&T
Big Data Use in Environmental Research
Sprint Center
German and Italian Unification
Homelessness as a means of Gentrification and Social Inequality
World War I Timeline
Timeline of Institutional Racism
Allstate
Woman's rights
Project 1 sources
Spokane, Washington
Bill Gates and Microsoft
Silverstein Family History
German and Italian Unification