The Mexican-American War happened from 1846-1848.
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A homogenous mixture is that mixture in which the components mix with each other and its composition is uniform throughout the solution. A heterogenous mixture is that mixture in which the composition is not uniform throughout and different components are observed.
So it would be a heterogenous mixture
The Soviet Union was a communist country and the United States is a democracy. So since they had very different political philosophies it lead to a deep mistrust of eachother. This is how they ended up on opposite sides of the Cold War.
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History Federal Security Agency The Federal Security Agency (FSA) was established on July 1, 1939, under the Reorganization Act of 1939, P.L. 76-19. The objective was to bring together in one agency all federal programs in the fields of health, education, and social security.