Correct Answer:
Option B - The United States of America adopted a democratic constitution on 17 September 1787. Constitution of America came into force on 4 March 1789. American constitution has been amended 27 times. The first ten amendments are collectively known as the Bill of Rights. The Continental Congress functioned as the provisional government of the United States from 1774 to 1781. US Constitution was the first complete written national constitution.
B. The United States of America adopted a democratic constitution on 17 September 1787. Constitution of America came into force on 4 March 1789. American constitution has been amended 27 times. The first ten amendments are collectively known as the Bill of Rights. The Continental Congress functioned as the provisional government of the United States from 1774 to 1781. US Constitution was the first complete written national constitution.