3. How long did the first American human spaceflight last?

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

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.