Write down comparative historical account of immigration of any group to United States.
Set history up in the context of history and migration of suitable time.
Include the description of trajectory of migration of chosen group.
Explain the historical complex of factors in the country of origin, and emphasize "push factors," that compel out migration. Also explain pull factors, or those extant conditions in the United States which beckon these immigrants to select United States as their destination.
Immigrants generally fill vacant economic niches, which open up at specific historical moment.
Explain the events or contexts in which immigrant group fits into this niche.