Agricultural intensification increases biodiversity.
There was a lot of opposition to black people leaving the south because the white planter class did not want to lose their cheap labor if the blacks migrated westwards. They even went to the extent of closing the Mississippi River and intimidating to sink boats carrying the African Americans
The Americans were huge areas of fertile land, and the European powers needed people to work on its fields. African slaves were a cheap and abundant solution.
Answer:
A. The oil industry severely slowed down due to the impact of the two storms.
The answer is C. His real name was Temujin, but he took on the title of Genghis Khan later on.