4. Describe how public opinion is measured and why it can it be difficult to get an accurate measurement.

the answer is:

c. economic output

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.

it should be d or b but i'm sure it's d