I believe it is B. The purpose establishment of the League of Nations was to resolve international conflicts without war.
Choice A doesn't really make sense because neutral nations don't join war alliances; they remain neutral. Choice C and D actually would lead to more wars because Germany was bitter about being forced to accept the defeat. They further had to pay for the reparations, which wouldn't make anyone happy.
the answer is c irrigation trade and transportation hope this helps
Primarily agricultural economies presided in the middle colonies, where foodstuffs were grown and fishing was done along the coasts. Furthermore, logging and animal trapping and hunting (for food and furs) also contributed to the economy.