I would say that the Mayan and Aztec civilizations influence would be especially in the architecture of their buildings and pyramids. The Mayans had well laid out stone complexes complete with temples, ball courts and had carved stelae or mythical figures in the complexes. The Aztecs had pyramids also, like the Temples of the Sun and Moon at Tenochtitlan near Mexico laid out according to their astronomical observations.
The issue of school speech<span> or </span>curricular speech<span> as it relates to the </span>First Amendment to the United States Constitution<span> has been the center of controversy and litigation since the mid-20th century. The First Amendment's guarantee of </span>freedom of speech<span> applies to students in the public schools. In the landmark decision </span>Tinker v. Des Moines Independent Community School District<span>, the </span>U.S. Supreme Court<span> formally recognized that students do not "shed their constitutional rights to freedom of speech or expression at the schoolhouse gate".</span>