Answer:
- After the Civil War, with the protection of the Thirteenth, Fourteenth, and Fifteenth Amendments to the Constitution and the Civil Rights Act of 1866, African Americans enjoyed a period when they were allowed to vote, actively participate in the political process, acquire the land of former owners, seek their own.
The Greensboro sit-ins were a series of nonviolent protests which led to the Woolworth's department store chain reversing its policy of racial segregation in the Southern United States.
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The Suez Canal facilitated access to key resources, notably oil from the Persian gulf. For this reason, the British particularly were reluctant to see Egypt under Nasser take full control of the canal. They launched an attack on Egypt in 1956 to eliminate Nasser and regain it.
A rivalry developed between Spain and Portugal over the exploration of the seas. When King Ferdinand and Queen Isabella of Spain heard of King Manuel's plans to send ships west to claim for Brazil, they asked him to wait until it was decided to whom the seas and conquests belonged.
In 1493, Pope Alexander VI established the Treaty of Tordesillas, which divided the world in two. Portugal could claim lands East of the Line of Demarcation, and Spain could claim lands West of the line.