Who did the united states declare war against in 1917 and why? 3 reasons why

This is a picture of workers in a factory. why was this picture most likely taken? to advertise that kids could get jobs to expose the horrors of child labor to show pride in children at work to show that night workers were needed o

Brainliestttme : ) -what role has technology played in globalization?

Brainliestttme : ) how did the soviet union try to maintain control?