Why did the ming dynasty need to repair chinas canal systems

List two inventions that were invented in the united states before the american civil war

2points a challenge faced by general george washington at the start of the war was that: o a. his troops lacked weapons. o b. rival officers wanted his job. o c. british forces captured his home and family o d. his troops were surrounded by british forces. submit

What emperor was given credit for having the aqueducts built