Select two of the major immigrant groups (Irish, German, Chinese, Mexi

Select two of the major immigrant groups (Irish, German, Chinese, Mexican) arriving in the United States after 1840 and compare and contrast their stories. How did the reasons for their initial immigration differ?

What was the predominant role these groups played in the United States? How did they contribute to the changing nature of the nation after 1840?

ANSWER
Answer: An ideal answer will:
1. Discuss the motivations of two major immigrant groups in moving to the United States.
2. Assess how motivations differed among ethnic groups from around the world.
3. Discuss the important role that immigrants played in the development of the United States.
4. Assess how changing attitudes in the United States greeted the arrival of immigrants.
5. Provide a concise and effective conclusion.