The correct answer is A about communism
<span> The Romans captured and destroyed the city of Carthage in 146 B.C. Turning Africa into another province of the Roman Empire</span>
The correct answer is D) A positive, but not linear relationship.
This comes from the equation Ek=1/2mv^2
Where Ek is Kinetic Energy, m is mass, and v is the speed (or velocity).
As we can see in the equation, the relation is not linear but quadratic and it is positive.