How did the crusades accelerate change in europe

During the 1920s, which president atoped a laissez-faire toward business, which bring about great depression

Brainles asap!me : -how has religious fundamentalism been used by extremists in the middle east?

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.