Religion During The Post-Classical Era

During the Post-Classical Era three major religions spread rapidly. Those religions were Buddhism, Christianity, and Islam. Islam was the most aggressive about spreading. Christianity spread through works of missionaries and governments. Buddhism was slowly spread through China, but rapidly spread through Japan and Korea. All three of these religions were spread through the post-classical era and have also remained the three major religions since then.
During the post-classical period, bodhisattvas (sect of monks), transformed the Buddhist religion from ethics to a deep emotional religion. The Bodhisattvas teachings stated that people could attain Nirvana in their life through meditation. They formed monasteries and people held them as gods