How have technological innovations contributed to the rise of a global economy in the modern world?
A. They have made it easier for businesses to communicate with
employees and consumers around the world.
B. They have prevented corporations in wealthy countries from
economically exploiting poor countries.
C. They have raised wages by reducing the amount of competition
between workers for available jobs.
O D. They have allowed businesses to place a greater focus on
marketing and selling their products in local markets.