Which caused japan's tokugawa shoguns to adopt a policy of isolation?

The rapid expansion of Christianity in Japan

Explanation:

Tokugawa´s seclusion edicts issued in the 1600s aimed to interrupt the rapid expansion of Christianity in Japan. Catholic converts were increasing in number, challenging Buddhism precepts and also acquiring political and economical power in important port cities as Nagasaki. Two edicts closed the borders for foreigners and prevented Japanese people from leaving the country.

hello,

i'm not so sure but i hope this in anyway.

the president of russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the prime minister, who is appointed by the president with the parliament's approval.

hope this : )