I would say either B or D but I think the better answer would be D.
A policy of extending a country's power and influence through diplomacy or military force.
Answer:
Domestication
Explanation:
Domestication has always been very useful to people. It is a way to tame animals so then after you could use it to benefit you. Either for farm work or even food. This is very common now a days.
For example. Cows are domestic animals. They live on farms, work in the fields, give us milk, cheese, butter and eventually meat for us to eat.
I don't know if I understood the question good, because its not clear, but I Hope this Helps!
:)
Answer: B
Explanation: The U.S. dollar was no longer backed by gold.
He supported christ and the gospel church