The metric system was devised by the French.
D. Religious Beliefs, this is right I just took the test and I hope this helps :)
The Europeans in the Caribbean felt the need to bring in enslaved Africans as laborers because the native American Indian workers had become physically weak due to diseases and the Caribbean plantations were in requirement of stronger labor force. The Africans by birth were very strong and they as slaves would perfectly suit the needs of the Caribbean plantations.
The correct answer would be alternative A) "most of those increases in agriculture are cash crops reserved for export."
The increase of production of crops doesn't benefit the hungry, as the crops are not meant for them. They're destined to exportation. For this reason, the hungry don't get anything from the increase in production.
One of the ways to prevent hunger in developing countries would be to have this crops used for social programs, and distribute food to the hungry. However, that's not the way it's done.
The correct answer should be Mexico. Canada was north while China was on a completely different continent that had nothing to do with the railroad. Mexico became more accessible because the railroad went as far west as Nevada and California which were Mexican for a long time.