The distance across the Atlantic Ocean
The British government would have to travel across the Atlantic to send any communication, enforce any laws or exchange any resources with the American colonies.
Americans were self-sufficient and could provide anything they needed to support their society because of they didn't depend on Great Britain they were less excepted on their rule.
This answer is c value of each option
The name given to Gorbachev's policy of political openness was called "glasnost." This usually meant a sort of openness or transparency for politics, such as that the press and the public could attend court hearings and that the sentence would be read out in public.
