Some could be terrorist and spies but some could just be wanting a normal life in the us
The Agricultural Revolution of the 18th century paved the way for the Industrial Revolution in Britain. New farming techniques and improved livestock breeding led to amplified food production. This allowed a spike in population and increased health. The new farming techniques also led to an enclosure movement.
It called for protection of equal privileges for all countries trading with China and for the support of Chinese territorial and administrative integrity
I hope this helps with your work you’re welcome