What was Jefferson's role in the development for the United States capitol?

He produced a design for the U. S. Capitol that was based on Roman temples. Thomas Jefferson was the primary draftsman of the Declaration of Independence of the United States and the nation's first secretary of state (1789-94), its second vice president (1797-1801), and, as the third president (1801-09), the statesman responsible for the Louisiana Purchase.

Explanation:

Thomas Jefferson (1743-1826), author of the Declaration of Independence and the third U. S. president, was a leading figure in America's early development. During the American Revolutionary War (1775-83), Jefferson served in the Virginia legislature and the Continental Congress and was governor of Virginia.