<span>Hypertension is another term for high blood pressure. This occurs when there is too much pressure put on the blood vessels. The heart gets affected because it is pumping against the pressure, which causes strain on the heart. This can cause thickening of the heart walls, which can lead to other heart problems.
Stroke occurs when there blood supply to the brain is reduced or obstructed. This deprives the brain of oxygen and other nutrients. The occurrence of stroke increases with blood pressure because there is persistent pressure on the vessels which can ultimately lead to stroke. </span>
Hypertension, heart disease, and stoke are related because they all have to do with the heart. Hypertension is when you have high blood levels, heart disease is when your heart doesn't work properly, and stoke is when the heart beats hyperactively or the opposite.
Out of the choices given, enemy nations using sophisticated warfare to overpower the outdated tactics of the empire brought an end to the great West African empire. The correct answer is C.
