D) the Japanese emperor declared himself the head of Shintoism to unite people in isolated parts of Japan
They travelled great distances by sea.
The American Revolution was principally
caused by colonial opposition to British attempts to impose greater control over the colonies and to make them repay the crown for its defense of them during the French and Indian War (1754–63)
The wrong person gets elected and could lead to unwanted fights, drama, destruction, people would outrage.