Answer: a treaty between two or more countries to make trade easier and to destroy trade barriers
The antislavery movement raised and grew because people kept finding reasons for why slavery is bad. This eventually led to conflict between people against slavery and people for slavery. Another reason why the antislavery movement raised and grew was because slavery has become less useful overtime, as we have machines.
Wanted to negotiate for protection of American rights peacefully.
The Olive Branch Petition want was an attempt to avoid a war between the Colonies and Great Britain. It said that the colonies were loyal to Great Britain, but asked that the colonies be given free trade and taxes equal to subjects who lived in Great Britain.
I think answer choice D makes the most sense.