To have a better live
the simple answer is people! there were originally only indigenous people living in the Caribbean and they had their own religions then when Europeans arrived and introduced slavery they brought Christianity with them then later after the abolition of slavery indentured workers from asia mostly India came, bring with them Hinduism and Islam. The main religions in the Caribbean are Christianity(Catholicism), Hinduism and Islam
In all the Caribbean countries but with different percentages in numbers.
they came in the 14 century
Sometime before you was born...
Christianity became dominant as a result of the European colonization of the Caribbean. Hinduism and Islam became prevalent because of the importation of labor from the Indian Subcontinent which is dominated by Hinduism and Islam.
probably.
Islam is spread allover the world although with different Muslim percentages to total population. It is the authenticity of Islam and its truthfulness that helps Islam spread everywhere.
Indigenous populations
Islam came to the British Caribbean as a direct result of the migration of South West Asian labor into that region following the Abolition of Slavery in 1834. In the Dutch West Indies Islam came with the migration of laborers from the East Indies (now Indonesia). These migrations also brought their unique cuisine (curries and rijstaffels) and ganja to the Caribbean.
If they ever were, they are not since Islam arrived
Either through convert of some natives into Islam or Immigration of some Muslims from outside the Caribbean area.
Amerindians didn't come into the British Caribbean - they came long BEFORE the British did. They were the very first inhabitants of the Caribbean , cannoing up the islands from South America.