Answer:
The main purpose of the Reconstruction period after the Civil War was to help the South become part of the Union again and for troops to stay in the South and ensure another revolt didn't occur.
Explanation:
James ouits said 'no taxation without representation.
1)Bring relative advanced knowledge/conception to China.
Consession or leased territory is the window to show Western civilization.
2)Break the self-block made by Qing Dynasty, collapsing natural economy and monarchy.
3)They harm China, waking Chinese up.
4)New science and technology are passed into China
