Absolutely; the Constitution is the supreme law of the land, upon which the United States' government is founded and conducts its operations.
Everyone
How do I apply today
Yes, France's new constitution did apply to its overseas colonies.
No. The U.S. Constitution only applies in the U.S.
Yes, the Constitution is still needed today, especially for the freedoms of the people.
Apply and interpret the constitution in legal cases
Because human nature, tyrants, and government haven't noticably changed in a few thousand years.
The US Constitution did not apply to all citizens when it was originally created. However, with the flexibility in which the founding fathers wrote this document so that it could be changed the rights and freedoms are applied to all US citizens.
how does the us constitution play a part in today's governments around the world?
"Our lives today, started with the simple writing of the constitution and grew from there."
define the roles, powers, and rules that apply to the states
Yes it does. The territory decides not citizenship