The answer for your question is D
Answer:
O By opening territories for settlement to anyone willing to work on the land
Pretty sure its A. Chinatown.
The concept of an Informal empire<span> describes the spheres of influence which an </span>empire<span> may develop which can be said to translate into a measure of influence over a region or country because</span><span> of the extension of commercial, strategic or military interests of the </span><span>empire. In these terms, given the great economic and military power the U.S. holds in the world, it can be described as an informal empire. </span>