Why did the continental congress choose thomas jefferson to be the author of the declaration of independence

Ineed to have answers for numbers 2-4 reply to this question

The impeachment of president clinton by the u.s. house of representatives occurred with a. virtually all republicans supporting it, while virtually all democrats opposed it b. about two-thirds of republicans supporting it and about two-thirds of democrats opposing it c. half of all democrats and half of all republicans supporting it, while half of all democrats and half of all republicans opposed it d. virtually all democrats supporting it, while virtually all republicans opposed it

What best describes the transportation within cities in the early 1800s