Research the immigration of the Polish, the Irish, and the Chinese to the United States. Complete the chart with information about when the majority of this group immigrated, where they settled, what challenges they encountered, and what contributions they made to American society.

i dont know but i need points

seeing as no choices were provided, i'll do my best to answer it from knowledge.

job specialization promotes work ethic to the person doing the job. he/she may be strong in the arms and able to lift things, specializing him/her in a job where you lift and carry.

to extend a country’s power and influence