Answer:
The wife most likely wanted to be queen and rule. I feel like it was her plan for her husband to die, so she could take over the throne.
Explanation:
This is math, not English, but okay xD
"Two intersecting lines are perpendicular if and only if they form four 90 degree angles" would be my answer.
The answer is probably acid
The google definition of the verb exact is "to demand and obtain from someone"
This leads me to believe that the answer would be C. take by force.