The answer is conditioning
The country that restricts travel to American citizens specially for the reasons like journalism and research is CUBA. in 1960's, restriction on travel constitute a key and contentious component in the U.S. to isolate Cuba's communist government.
B.
The answer is B. Social cognition !
John Hancock did not actually have a major role in the Revolutionary war, partly because many people have found that his other roles precluded fighting (like when he was a president of the Massachusetts' Provincial Congress. His biggest Role in the war was non-military: he was the President of the Continental Congress.
