The five pillars of islam are central to the religion of islam because they

Explanation:

5 Pillars of Islam are required (If you have enough time to do it).

They are central because they control the religion and it is what every Muslim needs to do.

the answer is states.

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.