An example of was the Black Lives Matters campaign starting in Ferguson but spreading to New York City, Baltimore and dozens of other locations in 2015.

Protest

Explanation:

A protest is a public display of objection to a particular idea, policy, government, or social condition. It can be displayed by very small groups of people, to large organizations, to the bulk of society, and it can be pacific, or have violent elements.

The Black Lives Matter movement is a social activitst organization that engages in public protests with the main goal of opposing police brutality against black people. It also has other broader goals such as ending institutional racism and achieving more racial equality.

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail