Your inability to read past the first paragraph is awesome.
The Supreme Court of the United States held in its landmark case, McGowan v. Maryland (1961), that Maryland's blue laws violated neither the Free Exercise Clause nor the Establishment Clause of the First Amendment to the United States Constitution. It approved the state's blue law restricting commercial activities on Sunday, noting that while such laws originated to encourage attendance at Christian churches, the contemporary Maryland laws were intended to serve "to provide a uniform day of rest for all citizens" on a secular basis and to promote the secular values of "health, safety, recreation, and general well-being" through a common day of rest.
You can also read this, its shorter and has smaller words: