The major cause for the division of Islam was disagreement over?

Explanation:

They chose sides following the death of the Islamic prophet Muhammad in AD 632. A dispute over succession to Islamic prophet Muhammad as a caliph of the Islamic community spread across various parts of the world, which led to the Battle of Jamal and Battle of Siffin.

There are three traditional types of schools in Islam: schools of jurisprudence, Sufi orders and schools of theology. Other types of Islamic denominations and movements have arisen in the modern era.

america opposed the axis powers, because they knew that the united states would be targeted during the war. not only that, but germany (which was an axis power) broke the treaty of versailles, and started developing an army, and started attacking and taking over countries. furthermore, japan, which was allied with germany and italy (who both were axis powers) was attacking china, which was a great ally to the united states.

a.   it resulted in widespread unemployment.