The correct options are as follows: 11. B. The Wilmot Proviso refers to a proposed American law that seek to abolish slavery from all the territories that are won from Mexico in the Mexican war. David Wilmot, who was one of the of the congress member from Pennsylvania was the one who proposed this law and the law was passed in 1846. The southerners opposed this law and the opposition that surrounded this law was one of the reasons that generated the American civil war. 12. B. During the era of industrialization in America, most of the industries that were created were located in the cities. So people who desire to work in those industries had to leave their rural areas and country homes and traveled to the cities in order to look for work. This made many people to leave their farm works and migrate to the cities in search of greener pastures. 13. D. Social Darwinism is a theory which seek to subjects humans to the principle of natural selection, which Charles Darwin subjected plants and animals to. The theory holds that, the rich are the strongest in the society while the poor are the weakest, it believes that the strongest should be pruned to produce more while the weakest should be eliminated.
"He initially refrained from committing ground forces after being advised that North Koreans could be stopped solely by America's superior air and naval power."
Cities that have been white became centres of black culture; this can be seen, for example through the great influence of black churches and jazz clubs.
