The best answer for this question is A. This is because this court decision allowed the US government to place Japanese Americans into internment camps during WWII, and therfore taking away their rights, even if they were American citizens.
Children Had to Work
many people lost their Jobs because of new machines
Therefore they Had to move to the big cities to find work in the new factories where they Had to do monotonous and Boring Work(e.g. Control the machines)
This Work was badly paid
The cities were dirty and the Apartments often very small
But
New machines that Made Life easier ( staem engines)
I would need a question to help
