Why does jackson think street marches, boycotts, and picket lines on behalf of civil rights are counterproductive

Jackson views street marches, boycotts, and picket lines as counterproductive to the civil rights movement, because he sees them simply as acts of retaliation. Instead of crediting these peaceful forms of protest with bringing together a group of people and expressing one's emotions with the goal of eliciting change, he portrays them as unproductive outlets rage with no results.

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c. the passage of the fifteenth amendment