Fact 1: Constriction occurs when the muscular walls of blood vessels contract. Fact 2: Constriction raises blood pressure. Given the two facts above, what happens when muscular walls of blood vessels contract?

Pick your answer from:
A). matter vibrating;
B). Dehydration;
C). Leptospirosis;
D). rapid expansion;
E). at or near the margins;
F). recovery time from fatigue;
G). blood pressure rises;
H). major threat to health;
The answer is:
G).