I think is was about 16 years?
Sorry if i am wrong! :(
Answer:
The last one in the choices
Government posters used propaganda such as the iconic uncle sam, freedom gardens, and the liberty bonds to get American people to support the war effort
"WE THE PEOPLE" Popular sovereignty or the authority of the people referenced in the Preamble of the Constitution - This principle states that government power comes from the consent of the governed (the citizens). One is example of popular sovereignty is the election of representatives and senators in which the citizens hold the vote to elect the legislatures the citizens favor.
Both contained a bill or rights