Japan has many mountains, thus, the outsiders could not easily enter Japan and Japanese could not leave the country. And, thus the self-isolation was helped by the presence of a mountain terrain. This policy was implemented by Togukawa, who insisted on preventing Japan from foreigners.
The closest answer was D. It wasn't a draw. The colonists had lost but, the British then realized that they could stand their ground because of the heavy losses the British had taken
African Americans protested in the streets against discrimination.