How does overpopulation of many south american countries impact the united states?

Overpopulation of South American countries, often has the impact of imagration in the United States.

The over-population of many South American countries mainly impacts the United States in a negative manner.

Explanation:

Most of the South American countries are 'agriculturist economies' with minimal technological advancements available compared to most North American countries. The service sector employment rate in these countries is also considerably low. The over-population of these countries has been resulting in the exploitation of natural resources, the downgrading of the microeconomic structure and thus, people fleeing to the United States in search of better employment opportunities. This, in turn, has been causing faster depletion of resources and imbalance in employment distribution in the United States.