Why does Tinker v. Des Moines remain an important precedent-setting case?

Tinker v. Des Moines remains an important precedent setting case as its subject matter, freedom of speech, is relevant to this day, especially in the ever changing political climate

Explanation:

The outcome of Tinker v. Des Moines determined that student's do not lose their first amendment right to free speech on school grounds, and it's unconstitutional to limit a students speech as long as it's not harming anyone.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

because other regions has other things that egypt doesnt have.