What are 4 reasons imperial peoples such as the Persians were able to conquer and maintain vast empires

The answer is below

Explanation:

1. Military: They have a formidable and huge army with potent weapons

2. Foods: They have agricultural products to feed their people and trade with the outsiders.

3. Infrastructures: They have the skills and resources to build massive structures that help in social structures and defense mechanism for their cities.

4. Government: They make use of a multi-state style of governance that allows a considerable level of autonomy in the far-distance territory. This allows the central government to control the sub-government and in turn the people and nations they conquer.

demand is the need and oportunity to buy a given good or service.

it granted civil rights to african americans.