Although, fights for control of the air space occurred, and then increased over time, planes were first used to
A. spot enemy positions
B. drop missiles
C. transport troops
D. transport supplies

the answer is false.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more 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. 

i am 99% sure that the increase of goods was because of nafta nafta stands for the north american free trade agreement to lift tariffs