Which statement describes city life in the late 1800s and early 1900s?

-urban planning many of the larger cities control the problems brought by rapid population growth.
-air and water pollution was regulated first by state governments and then by the federal government.
-health hazards from unsafe water were eliminated by the development of public waterworks.
-finding adequate housing was a problem for many city residents, who were forced to live in tenements.

The answer is the first:

Urban Planning helped many of the larger cities control problems.

In the late 1800's and early 1900s due the industrialization in the united states population grow rapidly mainly in the Northeast, urban planning always by the hand of the innovations in the industry let the governments to work in some transportation developments and making progress in structure and building.

answer; (a) he was a u.s senator for 38 years;

social contract theory basically says that all individuals are born equal, and provided a god given right to consent to be governed. american government is based of this

thomas hobbes and john locke said that we are selfish, individualistic, and constantly at war with each other, therefore we need to be controlled. 

government is defined as the legitimate use of force to control human behavior within territorial boundaries, here comes in hobbes and locke.

hobbes takes the part about controlling human behavior. while locke takes the part of legitimate use of force, since force is not legitimate unless there is consent of the people. 

there are basically 3 goals of the government: 1) maintain order by protecting life and property. 2) providing public goods, those which are typically not provided by the public sector, such as roads and education. 3) promote equality be it political, opportunist or outcome equality.