I think that the answer would be A. economics was a big factor in those times
The Hindu Kush
The Hindu Kush (Pashto: هندوکش /kʊʃ, kuːʃ/) is an 800-kilometre-long (500 mi) mountain range in Central and South Asia to the west of the Himalayas that stretches from central Afghanistan into far northern Pakistan and far southern Tajikistan.
Demand for resources by the administrative and military complex
The consul (in Latin consul) was the highest ranking magistrate of the Roman Republic. The position was annual and collegiate, and two consuls were elected each year among citizens over forty-two years of age. Its task was the direction of the state and, especially, of the army in campaign.
In this way we can see the similarity with the image of the president of the USA of today. We can say that both carried out a similar task, to carry forward the executive power of the nation.
The Second Answer is correct.
In terms of size, some parts of the countryside have gone to voting that is public.