How did cities solve the problems of crime and fire?

Cities developed professional firefighting and police forces.

PLEASE GIVE ME BRAINLIEST

Explanation:

The cities have tried to solve problems with crime by developing professional police, this is done through better training, wages and ammunition and equipment for the police, it is also done with new hiring of police to supply the demand of the city.

To solve problems with fire, cities have developed firefighting forces, such as firefighters, armed forces and other institutions. These firefighting forces must also have quality training and equipment so they can work effectively.

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b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.