Limits on individual contributions to presidential candidates have been set by

eiffel tower

explanation:

  the common sense as a pamphlet written by thomas paine. it promoted the independence of the colonies from british rule. the distribution of this pamphlet was great, it reached people everywhere and it was even read aloud at places people met. it also unite the colonists before the revolutionary war.

answer is d

how is this a question? but yes, they were. if i recall correctly, it was very handy for native americans to use buffalo skin.