After a college football team lost a key game against an arch rival, a crowd of fans ran onto the field, screaming and throwing things. The people in the crowd were otherwise law-abiding citizens. Their behavior can be explained by the principle of

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.