Identify the main source areas and explain two key push factors associated with the early twentieth-century peaks. Discuss how change in the economic structure of the United States promoted immigration in the early twentieth century. Identify the main source areas and explain two key push factors associated with the late twentieth- century peak. Discuss how change in the economic structure of the United States promoted immigration in the late twentieth century.

Explanation:

Southern and Eastern Europe became the major spring regions. Some of the big driving forces is the World War I, primarily in Europe, which enabled immigrants to join the United States. The economic conditions were another significant consideration as the prospects for jobs in the war declined.

As reported, when migrants went to the USA, there were many possibilities for jobs. The American automotive industry celebrated of the first World War. War-time goods have been pursued, and America has become one of Britain's major food producers, and has provided refugees a wide range of jobs.

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