Black powder because without it, we'd have no guns/canons to use as weapons.
Answer:
The Polynesian Settlement of the Pacific. ... By the time European explorers entered the Pacific Ocean in the 16th century almost all the habitable islands had been settled for hundreds of years. The voyaging was all the more remarkable in that it was done in canoes built with tools of stone, bone, and coral.
Explanation:
Costs of products also decreased because of railroads Population increased because food was available in a large variety at a low cost. The entire Industrial Revolution was altered because of these accomplishments. Factories flourished because the demand for railroad parts and railroad tracks was very high.
<span>Political parties and their<span> national conventions seems about right.</span></span>
Answer: creating a new imperial dynasty
Explanation: i don’t know a lot about this but from looking at quite a few places it seems like he wanted a new way for china as he saw this one was wrong so he did take out the current dynasty making a new one