In the capitalistic economy of the United States,
most economic direction is provided mainly by:

the market forces

Explanation:

In simple words, the capitalistic economy refers to the economic system under which majority of the resources of the nation is handed over to the private entrepreneurs and government works only as a regulatory authority. In such an economic framework, the price of goods as well as the effectiveness of overall market structure is determined by the forces of demand and supply.

answer is b.shrapnel

world bank is the correct answer.