This document contains summaries of multiple sources. The first is about Martin Luther King Jr. and how he advocated for civil rights through nonviolent protests and speeches despite facing threats and imprisonment. The second summarizes a short story about a man named Jimmy Valentine who reforms his life after being released from prison, finding a job and falling in love. The third summarizes the sinking of the Titanic, how it was thought to be unsinkable but hit an iceberg, leading to many casualties as people were evacuated on life boats.