Answer:
The Lend Lease Act was initiated to, as the poster Uncle Sam holds, to support the US's allies in their war effort. "Short of War" is used to describe that the US economically was already in the war, as they provided loans, created military hardware and equipments, and heavily invested in their allies. The only thing holding them out was the public opinion, and the investment of American lives nonvoluntarily. The left side is used to suggest the public opinion, and how there were sentiments on both sides for the argument. In essence, Uncle Sam is trying to appease both sides in supporting logistically the Allies, while not forcing US men into the warfront.
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B - Advocated in favor of slavery.
Answer:
What one makes of all this will depend in part on how one understands the American political tradition. Many liberals view the rejection of liberalism as an alarming threat to "liberal democracy" — and American democracy, in particular — along with the institutions and values associated with it, which include representative government, the separation of powers, free markets, and religious liberty and tolerance. Their concerns are valid, insofar as some of liberalism's most vocal critics on the right and left indict the American political project and its founding as both misbegotten and irredeemably liberal.
C. I'm confident enjoy your welcome