Government propaganda agency was created to convince American public of the necessity of the U.S. entering World War I. Public and Congress believed that the CPI would ensure no censorship of the press, and that reliable information would be provided.
Means "enlightened" in Sanskrit.
Hypothesis- scientists come up with these tentative (meaning a cautious approach or iffy principle- not 'set in stone' like a principle) ideas and test them using experiments- hence it being testable
The awnser is b have a good day!