The Preamble to the United States Constitution Multiple Choice identifies certain goals for our society, such as unity, justice, domestic tranquility, and liberty. institutes the federalism principle which allows for shared power among national, state, and local governments. establishes the executive branch, which is headed by the president, and also establishes the court system, which is headed by the Supreme Court. establishes the Supremacy Clause which states that federal law is supreme over state law.