The Roman Catholic Diocese of Quilon or Kollam were the first ones who tried to spread the religion to India, Japan and Southeast Asia.
Buddhism
Francisco Pizarro
india china japan
. They spread Indian styles of art, architecture, dance, and religion
ISLAM
Egypt
there are lots of ways, but there are 2 main possibility's, number 1 is that a big country with that religion concuers a lot of ground and the religion starts to spread, another possibility is that a country with a certain religion gets concquered and that the inhibitants fled the country and spread over the world
People spread the message to others then they spread it to others and so on until it became a world-wide religion.
Black Death Plague spread from country to country. It spread across whole Europe.
It was gautam buddha who spread buddhism throughou asia not any country.and he was born in nepal.
The Philippines is a country that is spread over 7000 islands in Southeast Asia. It is known for its beautiful beaches, diverse culture, and stunning landscapes.