Answer:
option A
Explanation:
The correct answer is option A
A population is under-represented when it is proportionally smaller in a sample than in its population.
For population representation of any community, if the sample size of the population of the community is not in accordance means not in the same ratio as it is actually present then that community is under-represented.
Answer: It helped build power plants.
Explanation: The Rural Electrification Act granted federal loans for the installation of electrical distribution systems to serve rural areas.
Answer: the government would no longer be able to finance deficits by printing money, and inflation would be under control.
El Salvador adopted the dollar because it's revenue could no longer service the budget. The adoption of the dollar will put a control to inflation since the dollar is the currency it uses to trade in the foreign market.