What was the Supreme Court Case Tinker v. Des Moines about?

The 1st Amendment

Mary Beth Tinker was a 13-year-old student who wore black armbands to school to protest America's involvement in the Vietnam War. The principal forbid the students to wear black armbands after a couple days of the "protest". The case established that freedom of speech must be protected in public schools if the show of opinion is not disruptive to learning.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

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