I think the answer would be A which would be that it required all citizens to support the slave system.
The correct answer should be the <span>Chinese Communist Revolution. The communists in China believed that all bad things in China came from it's lengthy imperial government that's been there for millennia. They believed that it made China backwards and they decided to abolish more or less everything that was in any way connected to social status or classes or to the former system of government.</span>
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<span>B. Focus on freedom of expression. They have in common the attitudes taken by the court before the expressions of the individuals. The case of 1919, attacks the individual for his expression against the war. The 1969 case the individual is condemned by the expression of his speech. Case 1989 condemns the individual for his expression of repulsion when burning the flag. The latter case is justified as a conviction for the offense to the flag, while the others are sentences for repression against the rights of expression.</span>
Economic opportunities in the southwest, including large extensions of land for cattle raising attracted people from mexico to the area.
Beginning around the 1890s, new industries in the U.S. Southwest—especially mining and agriculture—attracted Mexican migrant laborers. Mexicans moved to the American southwest to work on farms, mines, and factories since thet were in the pursuit of better economic opportunities to have better lives.
Besides, the Mexican Revolution (1910-1920) also encouraged migration to the southwest.
hope this helps :)