Answer:
Democratic Republics as more than one person is assigned the position of power. This cancels out A and B as an answer since monarchies and totalitarian governments have one single person in power. Parliamentary Democracies is out of the question
Answer:
A. Regions inside the empire were at peace.
B. A good network of roads connected Rome with faraway places.
Explanation:
The US has a good water treatment system, especially because of the droughts many US states face, the reuse of treated wastewater has been a focus nowadays. Also, pollution through wastewater dischargers also has been controlled since the 1960s.
Ecuador does not have that, only 8% of all collected wastewater is treated, this means there is a lot of discharge that may pollute the environment.