It's the second one that's correct...
Neolitihic revolution refers to the revolution that transform mankind's lifestyle from hunting/gathering into agricultural.
In an agricultural society, each member need to coordinate with one another in order to determine land's ownership and trading regulations.
Because of this, a mediator such as government is needed in order to make everything fair.
The correct option is: "Rapid industrialization"
The twentieth century was characterized by advances in technology, medicine and science; the end of slavery in the so-called underdeveloped countries; the liberation of women in most of the Western countries; but more than anything because of the growing development of the industry, converting several countries, including the United States, into world powers.
Answer:
More European Countries began to copy the imperialist model developed by earlier empires.
C. Market conditions and the invention of the cotton gin
