HELP ME PLEASE China conditions before interacting with the western countries?
How did china change after conflict with the western countries?

In the 19th century, after a long period of isolationism, China and then Japan came under pressure from the West to open to foreign trade and relations. The Industrial Revolution in Europe and the United States had created a wide gap between them and the West, leaving the two Asian nations behind technologically and military. In that period, neither of them had the power to stand up to the Western nations, and eventually both had to sign unequal treaties that forced them to open their ports and cities to foreign merchants.

the manhattan project's indispensable man