Naval warfare had incredibly negative effects on civilians in wwi with blockades and unrestricted submarine warfare; explain how these tactics could be justified by the nations using them. it has to be expalined really good!

What was the u.s. government's office of indian affairs responsible for doing?

Brainliesttt asap!me : describe the responses to terrorism in the united states.

The service industry in the united states grew in the late 1800s. what was one effect of that growth? the number of people with jobs in factories as unskilled workers decreased. the number of people with jobs in factories as unskilled workers increased. the middle class grew as people took jobs as clerks, lawyers, and teachers. the middle class shrank as people left jobs as clerks, lawyers, and teachers.