El conflicto entre los habitantes del "nuevo mundo" y lo europeos empezaría rápidamente por sus creencias religiosas, las cuales eran totalmente diferentes debido a que:

Explanation:

Here's a clearer rendering of the text;

The conflict between the inhabitants of the "new world" and the Europeans would start quickly because of their religious beliefs, which were totally different because:

True indeed, the Europeans professed to be Christians while the Native Americans of the "New world" where not Christan believers, this religious differences likely resulted in conflict between them.

c  

explanation:

i believe the answer is d.