C & D because southkorea turned north into a commie state from invading it and they joined russia USSR and the commies defeated the nationalist in the chinese civil war
This might help! :-)
http://www.loc.gov/teachers/classroommaterials/connections/slavery/file.html
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D. kept slaves and refused to convert to Catholicism.</span>
The populist movement stand farmers.
The Columbian exchange, also known as the Columbian interchange, named for Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries.