<span>c. By the 1970's the Chinese government created the One Child Policy.</span>
Answer:
The decision of "racial segregation in public school" did Brown versus Board of education 1954 overturn.
Explanation:
The well known supreme court case in 1954 of Brown versus Board of Education of Topeka in which the justices had taken control unanimously over the racial segregation of children in the public school are completely unconstitutional. The brown versus Board of Education is the biggest milestone of the civil rights movement, which has helped to establish the precedents that are being "separate-but-equal" education rights and other services are not equal at all.
<span>The earliest civilizations that arose in the world developed in the late fourth and the third millennia BC in parts of Asia and north Africa. The three large alluvial systems of the Tigris-Euphrates, the Nile and the Indus supported three great ancient civilizations. Other urban communities also arose during this time. For example, settlement mounds known as tells or tepes, occur in almost all major valleys between Iraq and Pakistan in one direction and between the Caspian Sea and the Indian Ocean in the other and many that have been explored are known to have been occupied in the same period. However, unlike the great civilizations of Egypt, Mesopotamia and Indus, these communities did not form part of a unified economic system, and these small units, though clearly able for a time to support large, wealthy and organized societies, were much weaker than the vast civilizations of the alluvial lowlands. </span>