First of all, I would like to mention that Byzantine was a long-lasting empire which rose out at the end of the Roman empire. It was great.
The major accomplishment of Byzantine architecture was The Hagia Sophia. It is located in Istanbul and it roughly took 6 years to complete it.
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During the American Revolution. He was a commander for the Natives.
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Brown v. Board of Education was a landmark judicial ruling by the United States Supreme Court that declared that state laws that established separate schools for African-American and white students denied equality of educational opportunities.
The ruling was delivered on May 17, 1954, unanimously (9-0) by the Warren Court; and established that "separate educational facilities are inherently unequal". With this, the Supreme Court reversed the existing precedents from Plessy v. Ferguson of 1896. As a result of this ruling, racial segregation came to be considered as a violation of the Equal Protection Clause of the Fourteenth Amendment to the United States Constitution. This ruling opened the way for racial integration and achieving civil rights for African Americans.
The chance of increased European involvement in the Americas President Monroe. There was also concerns about Russia's intentions for controlling land in the northwest.