Respuesta :
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.
Answer:IGO’S improve communication between their member countries.
Explanation: