3. What are the arguments that Jefferson makes to appeal to the emotions of
his audience?

Jefferson makes to appeal to the emotions of  his audience by stating "a decent respect to the opinions of mankind"

Explanation:

In his argument of Declaration of Independence, Jefferson stated that " a decent respect to the opinions of mankind", that makes to appeal to the emotions of  his audience.

The given statement refers to the complaints of the colonists and give importance to the emotions of readers as well. It emphasizes emotions of  human kind or people and giving equal respect to their rights as a citizen.

Hence, the argument "a decent respect to the opinions of mankind" by Jefferson makes to appeal to the emotions of  his audience.

profound political, administrative, and social changes in the british isles.

i think the answer is   b.