The effectiveness of the founding fathers?

Question

How were important individual contributions and collective collaborations that all the “Founding Brothers”, especially Thomas Jefferson, John Adams, Alexander Hamilton, and George Washington made to the development of the United States?

Answer 1

For a while their contributions were important.

But the Constitution no longer means anything to our government, so these people are irrelevant

Answer 2

I will not do your homework for you. Look up each name in your textbook or in a search engine such as Yahoo or Google.