Why have multinational corporations become forces to be reckoned with in nearly all nations?

a. They frequently use their money to buy government officials' votes in nearly any country at nearly any time.
b. They better understand the dangers of globalization than do most elected officials.
c. They encourage isolationist policies in order to get complete control of governments and markets in various countries.
d. They account for a large portion of the global economy and have voiced strong opinions about government and economics.

d