Why fb started their own coin?

Answe:

I'm guessing you are talking about FB the social media network. FB is hoping to disrupt existing networks by breaking down financial barriers, compete with banks, and reduce consumer cost.

experiments.

surveys.

questionnaires.

interviews.

case studies.

participant and non-participant observation.

observational trials.

studies using the delphi method.

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.