Answer:
A
Explanation:
That is basically the definition of urbanization, might not move specifically for factory work but it is the move from rural to urban leading to urban growth or even overpopulation in the urban setting.
Iit protects against any branch of the government trying to abuse its power. This way all powers are shared and equal. This goes even for the president, he alone cannot mandate orders. It takes approval of branches (judicial, legislative, executive) to get to a deal. :)
Happy New Year!
John F. Kennedy
"Ask not what your country can do for you - ask what can you do for your country"