I would say c limited slave trade between Africa and the colonies :)
Answer:
In my opinion, the most effective way to promote long-term social changes is through voting. This is so because, through elections, society expresses its will regarding the different problems and situations that are generated in its daily life, in a legitimate way.
In this way, each citizen votes for the political sector that most represents his interests and his ideology, a sector that in turn proposes changes for society, or the preservation of the prevailing situations at the time.
Thus, in the 1960s the exercise of the vote by African Americans after the Civil Rights Movement allowed the consolidation of favorable policies towards this social group in terms of equal access to rights.
The United States had been experiencing high unemployment since the 1970s and it also had long held inflation unemployment were polar forces. I hope this helps to answer your questions
