What is the main purpose of the formation of economic blocs? To facilitate international trade. To increase competition among countries. To reduce...

What is the main purpose of the formation of economic blocs?

To facilitate international trade.
To increase competition among countries.
To reduce the economic power of the most developed countries.
To promote the economic development of the poorest countries.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) Only IV is correct.
e) I and IV are correct.