In the aftermath of the Civil War, African Americans adapted to life as free people with the help of black church leaders as well as a federal organization that was known as the Freedmen's Bureau. The Bureau helped Freedmen establish schools, purchase land, and legalize their marriage, however, funding limitations and deeply held racist attitude forced the Bureau to close in 1872.
The answer is imperialism and colonization. Leading up to WWI, Europe was in a heated war over colonizing the Middle East, South America, and Africa. Conflicts over land and resources led to much of the driving factors of WWI.
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The cenozoic era was reffered to as the "age of mammals"
Answer:
The first russian secret police were called the Cheka
Explanation: