Well that's easy it's the last one that all slaves should be freed through the United States.
Answer:
The historical circumstance that led to this development was the European exploration and their desire for raw materials that eventually led to Imperialism.
i have no idea if its the answer i still have to catch up with my maps hehehe
I think it is C
Hope this help you?
Loyalty oaths in the US were initiated during the 1950s and 1960s. During the 1950s during Soviet annexation of eastern European Nations and developing a Nuclear Threat.
Senator Joseph McCarthy swayed the Nations thoughts to concern about communist spies, agents and saboteurs and a fear agents may injure the U.S. government through espionage or violence.
They were basically to secure the loyalty and well being of American citizens.