Answer:
Spanish American War was a conflict between the United States and Spain that ended Spanish colonial rule in the Americas. Its significance is it ended Spain's colonial empire in the western hemisphere and secured the position of the U.S. as a Pacific Power.
The Great Migration was the movement of around 6 million African Americans. Its significance is it helped African Americans build a place for themselves in public life.
Home Owner's Loan Act sought to "refinance home mortgages and to extend relief to owners of homes who occupy them who are unable to amortize their debt elsewhere.
Social Security Act created a social insurance program designed to pay retired workers age 65 or older a continuing income Its significance was old-age benefits for workers
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