Having courage. Brave people are willing to do difficult or scary things. Ruby Bridges was brave to go to school when she was the first African-American student there.
Kept apart. When buses were segregated, it meant that African-American people and white people could not sit together.
Brought together into one group. Now that buses are integrated, all people are allowed to sit together.
People who protect other people or things to keep them safe. Guards kept Ruby Bridges safe.