Spanish settlers in the americas eventually relied on to work the cash crops because a) african slaves; the native people were dying b) natives; they knew the most about the land and how to grow crops c) european immigrants; all natives refused to cooperate and work

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.