Which of the following correctly describes a way in which a country can directly improve its human capital?

(1 point)
• A country can improve the use of technology in the sale of goods and services.
• A country can improve its human capital by reducing the amount that it spends on its public schools.
• A country can improve its human capital by increasing its population through an increase in its birthrate and/or an increase in immigration.
• A country can improve its human capital by improving the training of its workforce.

• A country can improve its human capital by improving the training of its workforce.