Problem
Reading the following five articles: Everett Lee Migration Theory.
a) Current Differential Association Theory
b) Hirschmann Migration and National Security
c) Shifting Grounds For Immigration
d) Border Patrol Faces Backlash from Aid Groups Over Migrant Deaths
A short (two pages or longer) paper identifying examples within one or more of the articles of: The struggle between groups competing for power and limited resources as described in Conflict Theory; Examples of migration "pushes" as described by Everett Lee; Examples of obstacles to migration, including at least one by a non-state polity.