Which led Japan's Tokugawa shoguns to adopt a policy of isolation?

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.

By restricting the daimyōs' ability to trade with foreign ships coming to Japan or pursue trade opportunities overseas, the Tokugawa bakufu could ensure none would become powerful enough to challenge the bakufu's supremacy.

Explanation:

some american cities felt workers were being oppressed by business monopolies

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.