Starting in the late 1980s, a large number of migrants moved from mexico to work in a meat packing plant in marshalltown, iowa. back in mexico, they experienced deteriorating economic conditions, and the meatpacking plant in the united states was in need of migrant laborers. this pattern of migration can be best understood as:

a. migrant network.
b. social capital.
c. push-pull theory.
d. melting pot.

Push-pull theory

Explanation:

Push-pull theory is important to study because it determines the reason to leave a place or attracted immigrants from other places in search of better economic opportunities, social security, etc. The push factors are those which force a population to leave their country and migrate to another place. Pull factors are those which give reason to the population from other countries settle in the foreign country for various reasons.

answer; i believe the correct answer is benjamin harrison;