How did america become a free country?

Answer 1

Congress adopting the Declaration of Independence was the initiating act, and defeat of the British and French armies forced Great Britain to recognize the sovereignty of the American colonies.

Answer 2

America is a free country as it has a democratic government and many rights for its people (the constitution). It isn't however the only free country.

Answer 3

American colonists fought a war of independence with Britain around 1788 and became independent when they won in 1789.