It is evident that major cities and towns derive the most benefits from the achievements of economic revolution, notably in terms of living conditions.
view to greater employment opportunities[/b]which offer a generally higher salary than that of the countryside.
... I think you better change it slightly;First and foremost, modern societies have seen the increasing flow of people moving to the metropolitan in view of having greater employment opportunities with better renumeration and compensation benefits in contrast to the countryside.
To sum up, the inequality in development between urban and rural areas has generated social circumstances that can be effectively addressed by the [b] control of the regime.
... This is a good essay and you can write well. However, I like if you expanded your conclusion at least by one additional line. Also, I feel the latter part tend to confuse the reader :( control of regime? :(