The declaration of the rights of man, first drafted in 1789, is a fundamental document of the french revolution. which us document inspired it?

 The Declaration of Independence

The Declaration of Independence (1776) asserted the American colonies' decision to break away from British government.  It included the same Enlightenment ideals of natural rights and liberties that would characterize the Declaration of the Rights of Man and Citizen produced later (1789) in France.

The Bill of Rights, added as amendments to the United States Constitution, also has the purpose of defending those same rights and liberties.  But it did not inspire France's Declaration of the Rights of Man and Citizen, because Frances's declaration preceded the American Bill of Rights: