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.
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The printing press was important to the spread of the Renaissance and Humanist thinking because it made it easier to print books and pamphlets. People then soon read more often and understood the ideas written in the book or pamphlet. At the time it was the priests who only knew how to read, so they would plant ideas into people's heads causing them to not have ideas of their ideas. Because of the printing press, people started to learn to think on their own.