What is one example of a social contract?

Social contracts can be explicit, such as laws, or implicit, such as raising one's hand in class to speak. The U.S. Constitution is often cited as an explicit example of part of America's social contract. It sets out what the government can and cannot do.

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.