Which of the following are promises that the government expects citizens of the United States to keep Choose all answers that apply
A. To serve in the US military if called upon
B. To defend the constitution of the united state
C. To vote in elections at all levels of government
D. To join a labor union when one is available

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.