This clip explains the impact of the Montgomery Bus Boycott on the Civil Rights Movement as well as Rosa Parks' role in the boycott. It mentions that the story behind the boycott is more complex, as Rosa Parks wasn't first black person to resist bus segregation. Rather, there were several other women arrested for the same offense in the last 12 months, one of them being 15-year-old Claudette Colvin.
The farm workers gain widespread support in their grape boycott, costing the growers $17 million dollars through their valient efforts. Their goal is to gain leverage so that they can negotiate better wages and working conditions with the growers. Because of the success of the farm workers' boycott, the growers are forced to consider negotiating with them or else risk losing their entire business.