Which of these will lead to an increase in the United States gross domestic product?

Foreign car companies build new assembly plants in the United States

Explanation:

The Gross Domestic product will includes all the monetary value of goods or services that produced in our country within 1 year period.

When Foreign car companies build new assembly plants In united states, it means that the production occurred within our country's territory. It contributed in reducing our unemployment rate and increase the average disposable income that our people have. This is why it will be included in the GDP.

answer; i believe the best and correct answer is stronger bonds between the nations of africa;