Answer:
In its most familiar form, colonialism involves the relocation of people to a new territory as permanent settlers. In contrast, imperialism is simply the imposition of political and economic control over a conquered nation or nations through the use of military force and violence.
Explanation:
So, to find out what IS a cause of the war we need to know M.A.I.N. That means Militarism, alliances, imperialism, and nationalism. That would mean the choices that aren't causes are totalitarianism, defense, and industrialism.
I think C would be an argument of value because Mansa Musa was one of the richest men in the world, and he was also a Muslim.
Preemption
This doctrine is centered around the attempt to repel or defeat a perceived imminent offensive or invasion. The aim is to gain a strategic advantage in an impending (allegedly unavoidable) conflict shortly before it materializes into a crisis. Its principles include unilateralism and the use of preventative war.