<span>Almoravids
After fourteen years of war with the fanatical Almoravids, Kumbi Saleh was captured and burned. The Almoravids were unable to sustain this victory for very long. Shortly after its capture, the weakened Ghanaians were able to retake it. The Mandika of Mali seized this opportunity to sever their ties with Ghanaian rule.</span>
Answer:
The answer is b) as a result of the Empire Building trying to protect its territorial interest at the start of World War I.
Explanation:
Protecting colonies and all gains from conquest and colonization that made part of their empires, as well as grabbing opportunities to expand them, were some of the goals of European powers and Japan to join World War I.
The first one is the correct answer because if the sign if somethings goes from negative to a positive or positive to a negative, everything in the equation switches.
Protestmant idk if it helps you can just look it up but I can if you want just message me
Here's what montow doctrine said