New technology was developed as a result of the Industrial Revolution and had a large impact both on industries in cities as well as on the nature of farming in the United States. Which of the following best explains how the mechanization of farming changed the United States economy? A. The U. S. started producing more manufactured goods. B. The U. S. became a leading producer of agricultural goods. C. The U. S began to specialize in only a few types of crops.

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?