How do maps enhance our understanding of an area?

Ineed with number 17 i don’t get it at alll

How has the immigration of the 1990s affected the social and economic life of the united states?

Which of the following was not a part of the armistice between germany and the allies? a. germany had to agree to the terms of the treaty of brest-litovsk. b. germany had to surrender its entire submarine fleet to the allies. c. kaiser wilhelm ii had to give his throne. d. all german troops had to be withdrawn from the western front.