On September 2, 1963, Alabama Governor George Wallace surrounded Tuskegee high school with Alabama National Guard troops in an effort to prevent its integration pursuant to a federal court order in Lee v. Macon County. In response, President John Kennedy federalized the Guard and sent it back to its barracks. Wallace opposing the integration of the University of Alabama Learn more about George Wallace from the National Endowment for the Humanities.

On September 3, 2008, a Farmers Branch municipal ordinance prohibiting illegal immigrants from renting property was challenged in the US District Court for the Northern District of Texas. The plaintiffs argued it is unconstitutional because it violated the Supremacy Clause of the US Constitution by regulating immigration and denying immigrants equal protection and due process rights. The lawsuit was successful, resulting in a permanent injunction against the law issued in March 2010. The city of Fremont, Nebraska passed a nearly identical housing scheme in July 2010, resulting in ongoing litigation. Learn more about US immigration law from the JURIST news archive.

On August 31, 1935, President Franklin Roosevelt signed the Neutrality Act of 1935, which placed an embargo on arms and war materials on all countries involved in war. The act was used in October 1935 in response to Italy's invasion of Ethiopia to bar arms sales to both countries. The act was part of the Neutrality Acts of the 1930s, which came in response to the growing conflicts in Europe and Asia. They sought to prevent the US from becoming involved in the war. Learn more about US attempts at neutrality during World War II from the Telegraph.