Why had both China and Japan closed themselves off from foreign trade in the 17th and 18th centuries? What were they afraid would happen if they let foreign traders in?

a and c?

i think it is a and c

answer; i believe the correct answer is ( quakers);

the intolerable acts were punitive laws passed by the british parliament in 1774 after the boston tea party. in great britain, these laws were referred to as the coercive acts.