Islam spread from Arabia.
Islam
The religion of Islam.
There are millions of Muslims in America.
Vietnam
Christianity
Across the world, from India to America to south America
By physical conquest.
Christianity
John Calvin's religious ideas were spread to North America from Europe. "John Calvin's Protestant teachings were spread across Europe and into North America."
It was islam its holybook quran is completec in 632ad and so on..never stopped not 733ad
People spread the message to others then they spread it to others and so on until it became a world-wide religion.