From my prior knowledge it’s smuggling things like drugs and guns from the border so it made it hard for those to move to the u.s
Sorry if this doesn’t help
Brazil, Venezuela, and Guyana.
Hope this helped :)
Answer:
All the red birds in an area
Explanation: population is just the amount of people in an area. For example, Santa Maria has a populaton of 2,000 people. That means there are 2,000 people in Santa Maria