What types of planning can be done to improve a nation’s economy ?

Lower interest rates

Increased real wages

Higher global growth

These are all examples of national growth planning

Explanation:

Economic growth is influences by direct factors like for example human resources (increasing the active population, investing in human capital),

natural resources (land, underground resources),

the increase in capital employed or technological advancements.

Economists generally agree that economic development and growth are influenced by four factors namely.:

human resources,

physical capital,

natural resources

and technology

To increase economic growth

We can.

Lower interest rates – reduce the cost of borrowing and increase consumer spending and investment.

Increased real wages – if nominal wages grow above inflation then consumers have more disposable to spend.

Higher global growth – leading to increased export spending.

i think it would be reparing roads  

the answer is a. since they were a huge producer of cotton and wanted the most money for it.