<span>Since
the 1960s, the United States has experienced a decline in the shift in
political participation. The people of the United States that participates in
the national election is decreasing. Several citizens have stopped participating
in the political system of the United States.</span>
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.