Answer:
d.Many wealthy landowners would purchase large tracts of land from foreign neighbors and then sell it to the United States for a significant profit.
Step-by-step explanation:
There were many people in UK, for example, looking to leave to the US to find better conditions of living. In this situation, some landowners bought the lands and then sold to the US, winning a large profit.
The correct answer is:
d.Many wealthy landowners would purchase large tracts of land from foreign neighbors and then sell it to the United States for a significant profit.