Which aspect of U. S politics is most closesly tied to the concept of direct democracy

Some cities allow citizens to hold a town hall to vote on new laws

Explanation:

Direct democracy is a term that describes a form of democracy or governance in which every eligible individual, mostly adult citizens, takes part in the decision making of the state or nation.

Hence, in this case, the aspect of U.S politics is most closely tied to the concept of direct democracy "Some cities allow citizens to hold a town hall to vote on new laws."

they could have a boston tea party.

to answer this question you need to explain more