Javier made a mistake on his list. Which best describes the mistake Javier made? HELP

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

The factory system of the early-19th century caused a) a decrease in farm production. b) an increase in rural population. c) an increase in urban population. d) high unemployment in other areas.

Determine why chief piapot asserted that the european-led government keeps only half of the promises made to native americans