Which of the following was not a problem solved by city-states.

a hot weather

b invaders

c lack of water

d trade

can you explain a little further maybe give multiple choice? ?

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.