<span>The Brown vs Board of Education supreme court case was a turning point in the civil rights movement. This case was taken to supreme court after the city of Topeka denied the filing, and actually included 4 other schools. The ruling of the court was that separation of schools between white and black people is in fact unconstitutional.</span>
Answer: b.) glaciation led to the development of Louisiana's extensive system of bayous and swamps.
Explanation: This seems like the best answer choice so I think it is B.
The correct answer is - Kublai Khan promoted religious tolerance and exchanges between Christians, Muslims, Buddhists, and Hindus.
Kublai Khan, and pretty much all the rulers of the Mongol Empire, even though mostly are portrayed as savages and barbarians, were actually one of the most tolerant of all in there time towards the different cultures and religions, and never made problems to the people they were ruling over on this basis. The Mongols can even be seen like globalists, and they encouraged cultural exchange, religious exchange and tolerance, and were trying to create an environment were people from different ethnicity, cultural and religious backgrounds would live in peace and harmony, and through it to create a unified empire.