Answer:It's B, C, and A
Explanation:Sharecropping sounded a lot better than it really was, it hurt the freed slaves more than helped them in the long run.
B. nuclear weapons development
Answer:
B. . exotic= ephemeral
Explanation:
An organism is considered as 'Exotic' if the organisms exist in an environment outside of their natural habitat (for examples, polar bear that is imported to a zoo in california.)
Ephemeral organisms on the other hand, exist naturally on ecosystem such as wetlands or lake. These organism do not exist all year long, but they did not live outside their natural habitat.
Arab slave-trading caravan transporting black African slaves across the Sahara.
Answer: B
Explanation: The Chinese and American economies will weaken.