How did the spread of Christianity and Islam in Europe and Asia contribute to the crusades during the Middle Ages. What impact would those crusades leave on the world

The spread of Christianity and Islam in Europe and Asia contributed to the crusades during the Middle Ages because Muslims want to kill Christians.

Explanation:

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

the answer for 3 is b and the answer for 4 is d