Which of the following contributed to the changes in cotton and slaves as shown in the graph? A.) Climate changes that led to more arable land
B.) Increase in international migration of German farmers
C.) Advancements in transportation, such as canals and steamboats
D.) Increase in settlers to the Oregon territory

List factors that contributed to public confidence in the postwar united states

Which of these works from the italian renaissance exhibits contrapposto?

The quote below is an excerpt from the charter of the united nations: "the purposes of the united nations are: to maintain international peace and security, and to that end: to take effective collective measures for the prevention and removal of threats to the peace, and for the suppression of acts of aggression or other breaches of the peace, and to bring about by peaceful means, and in conformity with the principles of justice and international law, adjustment or settlement of international disputes or situations which might lead to a breach of the peace . " source:this section implies that the united nations is prepared to do what to keep world peace?