The common answer for this is that it is a joke. He was singing that because he was singing a few bars. This is a wordplay on the word bar of soap, and also on the fact that bars in music are <span>a segment of time corresponding to a specific number of </span><span>beats, so it's a pun actually.</span>
During the 1920s and 1930s, the U.S. pursued a policy of <u>isolationism</u>, similar to the time prior to World War I.
United States followed an isolationist policy in the 1920s and 1930s because during the 1930s, the combination of the Great Depression and the memory of tragic losses in World War I contributed to pushing American public opinion and policy toward isolationism.
The isolationism advocated non-involvement in European and Asian conflicts and non-entanglement in international politics. There were some measures taken by U.S. to avoid political and military conflicts across the oceans.
Hence, the leaders of the isolationist movement drew upon history to bolster their position.
To learn more about the policy of isolationism here:
brainly.com/question/1002195
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Answer:
Who led the American forces against New Mexico in the Mexican War?
At that time, only about 75,000 Mexican citizens lived north of the Rio Grande. As a result, U.S. forces led by Col. Stephen W. Kearny and Commodore Robert F.
