Well an example would be that a monopoly company would raise their prices extremely high, and since a monopoly had all control over other companies, consumers/Americans would be forced to pay unreasonable prices for certain goods.
Cultural unity was less apparent than its diversity, Africa is home to 2000 distinct languages.
The answer is A. The Adams-Onis Treaty gave the United States ownership of Florida from Spain.
The Monroe Doctrine maintained that European powers should stay out of the Western Hemisphere.
The idea of manifest destiny suggested that Americans had a right to inhabit their continent.
The Adams-Onis Treaty enforced the Monroe Doctrine by removing land from the Spanish empire and adding it as a state, thus demonstrating the idea of manifest destiny.
Answer; the federal courts