Hoboes is the collection of people who lost their home due to the massive unemployment which exist during the great depression. Since they can afford to rent a place, they are forced travel along rail lines and make small shelter from leftover metals as a protection from the rain.
The Exxon Valdez was the oil tanker that caused one of the worst oil spills in history. It spilled nearly 11 million gallons of oil, injuring over 28 species of wildlife. It lead to the use and building of double-hulled ships.