In the late 1700s and early 1800s, colonialism and mercantilism began to change. Why?

the main reason was it was during this time the foundation was laid towards the industrial revolution, as new technologies and innovations were made to enable mass production and develop factories and an economy that was completely different from the existing one.

moreover, the revolutionary events such as the french revolution, american revolution showed that pure colonialism and the mercantilist way of economy was not working anymore.

moreover, the development of share markets, bonds, banks and financial institutions along with new and complex ways of financial instruments and derivatives, the  foundation for the industrial and financial capitalism was laid.  

Explanation:

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south