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-Indigenous groups' movements and interactions. -Spanish colonial influence and settlements.
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-U.S. acquisition of vast territories from Mexico. -Formation of a new U.S.-Mexico border.
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-First significant U.S. federal law restricting immigration.
-Impact on broader immigration dynamics and perceptions. -
-Political and social upheaval in Mexico. -Impact on migration patterns to the U.S.
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-Literacy tests, quotas, and other restrictive measures. -Reflection of U.S. societal attitudes towards immigrants.
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-Establishment and initial roles. -Evolution of duties and significance over time.
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-Temporary labor agreement between the U.S. and Mexico. -Influence on labor migration patterns.
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-Removal of quotas based on national origin. -Shift in immigration dynamics.
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-Economic downturns in Mexico. -Influence on migration patterns to the U.S.
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-Measures to address illegal immigration and border security. -Impact on U.S.-Mexico migration relations.
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-Continued debates over border security, DACA, and immigration reforms. -Societal implications and changing attitudes towards migration.