Section 1. The right of citizens of the United States to vote in any .
primary or other election for President or Vice President,
for electors for President or Vice President, or for Senator
or Representative in Congress, shall not be denied or
abridged by the United States or any state by reason of
failure to pay any poll tax or other tax. 3
What problem did this amendment solve?

It gave the citizens of the U.S the power to have a say in elections without being oprresed by taxes that poor people might of not been able to afford

Explanation:

Is that good enough of an answer ?

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. 

i believe out of the choices it is a.