Option A: The U.S. was concerned that trade between Europe and Latin America would decrease.
Dust storms and falling crop prices
Colloquial? I think. Hope this helps
One of the major reasons why Americans distrusted public institutions like the government was because of the publishing of the Pentagon Papers. This series of government documents that were supposed to be classified, essentially showed that the US federal government had been lying about the progress the US was making in the Vietnam War. These documents caused outrage all over the country, as thousands of American men were drafted into this military conflict for what seemed like a failed mission.
They encouraged colonization by offering headrights to anyone who could pay his own way to Virginia: 50 acres for each passage.
They also used the system of indenture, in which people who did not have money, could pay their passed with a certain number of years of work and with it gain their own land.
At the end, they also turned to African slaves.