Reasons why a teenager might join a gang in the '60's is because, they want to belong. A passage right from teenage to adulthood. Desire to share interests, even if those interests are viewed negatively. To feel popular, or even if the group is not viewed as not popular. Needs to separate and differentiate from parents. Rebellion, revolt from adults. Low self esteem.
Answer:
In 1992, Musk left Canada to study business and physics at the University of Pennsylvania. He graduated with an undergraduate degree in economics and stayed for a second bachelor's degree in physics. After leaving Penn, Musk headed to Stanford University in California to pursue a PhD in energy physics