Because the sickness was wiping out the native american slaves so they went to Africa to get slaves from the high chiefs so the Europeans would get slaves by giving the chiefs guns and weapons <span />
After the world war II in 1946, Shinto which was the main religion of the Japanese was disestablished and the emperor lost his divine status as part of the Allied reformation of Japan. The post-war constitute contains freedom for all including the right to choose the religion.