I believe the answer is: It was located on peninsula between Europe and Asia and lied on the cross of trade routes
This location gave constantinople a strategic location to control the trades between European traders and Asian traders. They could obtain a lot of profit by either taxing the trades that pass through their territory, or monopolizing a certain type of product themselves.
B university of Washington
<span>Denis Kearney (1847–1907) was a California labor leader of the late 19th century who was known for his nativist and racist views about Chinese immigrants.</span><span>He didn't support immigration. </span>