In 1697, Africans were not allowed to bury their dead in what had become New York's primary burial ground. Scholars believe that this ban was the reason Africans used the burial ground today recognized as the African Burial Ground National Monument.
religious differences and the promise of wealth
I am absolutely sure that the statement represented above : Deep within the jungles of Mexico and Guatemala lie most of the Mayan ruine is TRUE. I think so because Mayans are actually originated in the areas which are stated in the question. So I am sure it will help you!
Cheers.