<span>B. A group of countries working together is bigger and more powerful than one country acting by itself.
A is wrong because membership in an IGO puts more pressure on a wealthy country to aid poor countries.
C is wrong because member countries are supposed to consult the group.
D is wrong because by joining an IGO a country agrees to abide by the group's decisions to a certain extent.</span>
Answer:modern humans adapted to these changes because of technology without technology we would have spent years trying to adapt to changes and possibly fail so we have technology to thank
Explanation:hope it helps good luck can i get brainliest
