The yuan dynasty was responsible for which of the following:
i. improving the road system.
ii. increasing sea trade with india and south east asia.
iii. extending the canal system.
iv. brutal warfare and ruthless killing of people in order to take over china.
a. i & iii.
b. iv only.
c. ii only.
d. all of the above

D.all of the above

Explanation:

I got this answer correct

D

Explanation:

one of the major compromises in the constitutional convention was between the small states and big states. the small states wanted each state to have the same number of representatives in congress. the big states wanted representation based on population.

4 copper and gold, the california gold rush is why im pretty sure.