The posters encourage average Americans to contribute to the war effort because it gave them drive to support United States in victory, "poster was an ideal agent for making victory the personal mission of every citizen".
Answer:
The answer is "a limited monarchy"
Explanation:
In English history, the Magna Carta (1215) and the English Bill of Rights (1689) both reinforced the concept of a limited monarchy. ... The English Bill or rights set out specific constitutional and civil rights and ultimately gave Parliament power over the monarchy.
The answer is C) adding Missouri would increase the power of free states in Congress