What is one major disadvantage of joining an intergovernmental organization (IGO) for member countries?
A. IGOs do not have the power to require countries to give economic
aid to other members.
B. Groups of countries are actually less politically powerful than
most individual countries.
C. Participating in an IGO can make it more difficult for member
countries to communicate.
D. It can be difficult to convince member countries to cooperate with
an IGO's decisions.