How has the pattern of trade changed in the united states since 1960?

a. exports and imports have grown at the same rate, and the united states has remained a net exporter.
b. imports have grown faster than exports, and the united states has become a net importer.
c. exports have grown faster than imports, and the united states has become a net importer.
d. imports have grown faster than exports, and the united states has remained a net exporter.
e. exports have grown faster than imports, and the united states has remained a net exporter.

The correct answer is letter "B": Imports have grown faster than exports, and the United States has become a net importer.

Explanation:

International trade is not just a major engine of the U.S. economy, but for the global economy. The total trade share in terms of the global Gross Domestic Product was 25% in 1960 and it has raised to 56% in 2017. Though, imports have surpassed the level of exports, making America be a net importer. Main imports are in the form of raw materials for the production of different goods mainly vehicles, and clothing.

the answer is account d

answer///the madrid protocol;