The President of the United States who was also an author of the Declaration of Independence was Thomas Jefferson. He wrote the Declaration of Independence with Benjamin Franklin and Roger Sherman.
1776
Great Britain.
The booklet is titled Common Sense.
Helping to write the Declaration of Independence and being the President of the US.
john Adams john Adams
independence hall, philidephia
1776
Britain.
England
July 4, 1776
The Declaration of Independence
declare our independence from Britain
King George III
July 9th 1776
If you are referring to the US president, I understand he must have the approval of Congress to declare a war.
July 4, 1776 in Philadelphia, Pennsylvania.
July 4th, 1777... Are you American?