Its D the ties between colonists and american indians. indians where the first to held the thanksgiving.
I think it was free blacks, but I am not 100% sure
Foreign Policy since treaty's do deal with other nations but usually after tensions or conflicts, embargo is a part of trade so for instant an embargo tax, and trade section has to deal with embargo's so the best choice is Foreign Policy.
Where's the poll and the question, so that I may help you?