What effect, if any, did america’s entry into world war i have on the outcome of the war? why?

Their entry into the war boosted the morale of the other allied nations. Morale completely depleted seems how the war was ultimately a stalemate and lives were being lost needlessly. American entry into the war also discouraged the Axis powers, and later after America's entry the Axis powers began to drop deeper into fear. America was the turning point for the war. The Axis powers were winning and if it weren't for America, then the Axis powers would have prevailed and the world would not be the way it is today. (This is what I think about it, it might not be entirely correct.)

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.