The mongols, led by genghis khan, a. brought much of the eurasian landmass under a single rule, creating the largest land empire in history. b. successfully invaded hawaii, but could not hold it for long. c. conquered the islands of java and sumatra, which had repulsed several previous chinese attacks. d. defeated every army that challenged them, except for the vietnamese.

if im not mistaken its a. collective emotional arousal

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.