Answer:
Yes, revolution is necessary in bringing about political change because it also brings social and economic changes which have the power to influence political change.
Confucius was a Chinese philosopher and politician of the Spring and Fall (or autumn if you prefer) period. The philosophy of Confucius, (a.k.a Confucianism) basically emphasized correctness of social relationships, justice, kindness, and sincerity.
Answer:
specifically Mexico City. cities near mountains with particularly problematic smog problems.
so mexico city