Use of fertilizer *crop rotation
*use of seedlings
*improved irrigation
*new types of plows

The above list describes agricultural improvements under the
A.
Song Dynasty.
B.
Sui Dynasty.
C.
Yuan Dynasty.
D.
Ming Dynasty.

becasue in the south they disallowed slavery but in the north slavery was illegial this boilled into because mexico wanted slavery

hope this

the answer is d the rejection of the olive branch petition.

explanation:

the olive branch petition was an attempt to state the rights of the colonists while keeping their loyalty to the british crown. hope this !

by kd

"they had a large area of land that they owned."