were any other countries inspired by this declaration?
France and Vietnam.
United States Declaration of Independence
 The inspiration and content of the French Declaration of the Rights of Man and of the Citizen (1789) emerged largely from the ideals of the American Revolution. 
when was the declaration of i dependence signed 1776 what is this document? The pronouncement adopted by the Second Continental Congress meeting in Philadelphia. what does this document tell about slaves? The apparent contradiction between the claim that "all men are created equal" and the existence of American slavery attracted comment when the Declaration was first published. and about women? There is a part in it which demanded social and political equality for women.
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United States Declaration of Independence [SEP] Influence in other countries
Many leaders of the French Revolution admired the Declaration of Independence but were also interested in the new American state constitutions. The inspiration and content of the French Declaration of the Rights of Man and of the Citizen (1789) emerged largely from the ideals of the American Revolution. Lafayette prepared its key drafts, working closely in Paris with his friend Thomas Jefferson. It also borrowed language from George Mason's Virginia Declaration of Rights. The declaration also influenced the Russian Empire, and it had a particular impact on the Decembrist revolt and other Russian thinkers. According to historian David Armitage, the Declaration of Independence did prove to be internationally influential, but not as a statement of human rights.