Answer:
These are all of his contributions. "As the “silent member” of the Congress, Jefferson, at 33, drafted the Declaration of Independence. In years following he labored to make its words a reality in Virginia. Most notably, he wrote a bill establishing religious freedom, enacted in 1786. Jefferson succeeded Benjamin Franklin as minister to France in 1785." I think this is the main one: he wrote a bill establishing religious freedom, enacted in 1786.
Step-by-step explanation: