Answer:
The civil war was close to ending.
Explanation:
Custer worked with those in charge of the impeachment process of the president. Grant was also under some pressure for his behavior towards Custer, and there was a climate of concern, which he feared would be compromised if the campaign was not headed by him. In the same way, Grant could be blamed for ignoring the advice of Custer's superiors, so he had few options other than indulgence.
It’s a source of water, and can probably generate some kind of electricity
A progressivism is the correct answer to your question
Choice B, Sui dynasty (隋朝) reunified China. The dynasty was short, lasting only from 581-618C.E. The dynasty reunited north and south China after three centuries of separation, and returned China to Han rule. Thought very short, the dynasty is extremely important in China's history, with its emporers tackling many social and economic issues.
Hope this explanation helps :)