How did technology affect slave labor?

Which of the following is one example of an ideological conflict that became one of the causes of world war ii?

What were the purposes of salt? check all of the boxes that apply. -to achieve peace -to protect the security of the united states -to form an alliance against communist nations - to stop the nuclear arms race - to give the united states an advantage over the soviet union

What happened during the victorian age? a. all social classes lived near each other b. the middle class became much larger c. city populations began to decrease d. families continued to go to work together