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The mathematicians of ancient Greece made a hugely significant contribution to world thought and all practical subjects which depend on that intellectual basis, from geometry to engineering, astronomy to design. Influenced initially by the Egyptians, Greek mathematicians would push on to make breakthroughs such as Pythagoras' theory of right-angled triangles.
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“When We Worked on Shares, We Couldn't Make Nothing”: Henry Blake Talks About Sharecropping after the Civil War. ... By 1870, sharecropping was the dominant means by which African Americans could gain access to land in the South.
Explanation: I hope this helps, if not friend I tried :)
The communist and non communist forces
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Non communist offered opposition to communism that started in 1917 as a Revolution in Russia and spread to reach world dimensions during the Cold War. The non communism holds different political positions including the liberal, socialists and democrats. The Russian White movement is still remembered as the first organization that dedicated itself towards opposition of communism
The Supreme Court case Brown vs. Board of Education ruled that the doctrine (idea) of separate but equal in American society is unconstitutional. This case overturned the case of Plessy vs. Ferguson, which originally established the idea of "separate but equal."
This court case was monumental, as it declared segregated schools illegal. This ultimately leads to the integration of whites and African-Americans in public schools.
Chief Justice Warren gave the majority opinion of the court and discussed how segregated schools had a "detrimental effect" on African-American children. Even though schools were supposed to be separate but equal before this Supreme Court case, this was never really the case. White schools often had more resources and better buildings to learn in.
