Why did u. s. industrialists begin to hire cheap labor from around the world after the 1870s?

About how many european immigrants were processed at the facilities on ellis island

Brainliesttt !me : ) how did the japanese economy recover so quickly after world war ii? mass immigration to japan in an effort to rebuild economic and educational reforms passed by the government an economic partnership with korea and china marshall plan dollars stimulated the japanese economy

Which of the following was used only once, to ratify the 21st amendment (repealing prohibition)? a.three-fourths of both houses of congress. b.three-fourths of the state legislature approved it. c.two-thirds of the state legislature approved it. d.ratifying conventions in three-fourths of the states approve it.