Many inventions were first developed under the rule of chinese dynasties, including
a. the wheel and matches.
b. the plow and the printing press.
c. the cotton gin and the steam engine.
d. the magnetic compass and gunpowder.

D. the magnetic compass and gunpowder.

Explanation:

The magnetic compass and gunpowder are two of the inventions that were first developed in China. China had a cultural advantage through most of its history due to several reasons. The cultural unification of China took place much earlier than in other countries. This led to stable governments, and the stability also contributed to a rise in population and in standards of living. This allowed its culture to develop at a faster rate than other nations around the world.

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict

i think the answer is: cuba wanted to be independent from spain, and the u.s. wanted to end spanish rule in the west.

hope i

-lavira : )