What factors were most important in pushing or pulling great waves of immigrants to the United States between 1820 and 1850

In simple words, Poverty and drought, most especially the potato famine in Ireland, were the drive forces forcing immigrants to migrate to the USA. Immigrants had little prospects in Europe so moved to the USA in pursuit of more paid jobs.

About four million European settlers immigrated to the united states over the time 1840 to 1860, mostly from Ireland as well as Germany.The industrialization propelled the growth of the manufacturing system , especially in the northeastern, whereby industrial ization, shipping, and agriculture fuelled economic development and generated a need the need for more more jobs.

australian plates collided into eurasian plates, and the himalayas formed. the andes mountain range the himalayas and the islands of japan form differently. the andes mountain range formed at the convergent boundary of an oceanic plate and continental plate.

the correct answer is that she and her husband signed a farming contract with their former master. the land was divided into smaller plots with housing for sharecroppers. in this piece, the author is criticizing white extremists.