The answer of this question is d
i think its the First answer
Answer:
Rome was able to gain its empire in large part by extending some form of citizenship to many of the people it conquered. Military expansion drove economic development, bringing enslaved people and loot back to Rome, which in turn transformed the city of Rome and Roman culture.
They are elected for a period of 2 years
Answer:
The increased availability of farmland.
A favorable climate.
More livestock.
Improved crop yield.
Explanation: