What are the major root causes of religious conflict

The most common cause is :-

Forcing ones religion upon other, comparing ones religion like which is more powerful.

If we learn to respect ones religion and beliefs then there won't be such conflicts.

Hope it helps!

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

best of luck!