latin
Main language: Half the surface of South America is Brazil; the main language there is Portuguese. The other half of South America, and most of Central America, speaks Spanish as the main language. Religion: The main religion is Christianity.
Islam is the main religion practiced in Pakistan. Over 95% of the whole population is Muslim.
The main religion practiced in Liechtenstein is Catholicism.
Indifference
The main religion practiced by the people in India is Hinduism.
The main religion practiced in the 13 colonies was Christianity, with various denominations such as Anglicanism, Puritanism, and Quakerism being prominent.
Islam
The religion practiced in Cambodia is mainly Buddhist.
Christianity is the most widely practiced religion in Europe
There are two main languages - Portuguese, and Spanish. As to the "why", that's because of the history of Latin America. Most of it was colonized by Spain and Portugal.
Christianity is the main religion in the West Indies.