What was thomas jefferson contribution toward the development of the united states government

He contributed to the independence of the country and laying the foundations of a democratic state. Jefferson was the head of the Independence Declaration Committee. The Declaration was the first official state document in history to proclaim the principle of popular sovereignty as the foundation of the state system. This was its progressive significance. Jefferson is a deeply respected person and is considered one of the founding fathers of the United States. I HOPE IT HELPS YOU!))

c- companies fail to take environmental protection into account. i think