Focusing on a narrow range of products/services that can be produced most efficiently and cost-effectively
A
Tariffs
B
Human Capital
С
D
Enterprise
Specialization

Specialization

Explanation:

Focusing on a narrow range of products or services that can be produced most efficiently and cost-effectively is referred to as specialization.

Specialization simply refers to a method whereby an economic agent focuses on the goods that it can only produce efficiently and also minimize cost for. This helps in the production of more goods and also improvement in revenue.

legislative branch:

one of the three branches of government divided between the senate and the house of representatives.

- creates or makes laws

- power to override a veto

executive branch:

one of the three branches of government, headed by the president.

- enforces or carries out laws

- power to veto a bill sent to it by congress

judicial branch:

one of the three branches of government, headed by the chief justice of the supreme court.

- interprets laws

- power to declare laws or actions by the government unconstitutional

the graphs indicate that few people in bolivia work in industry, as that is the least expressive sector shown in the respective graphic.