Answer:
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.
The three principal ways civilization spreads from one region to another is through trade, travel and warfare. When people travel, they bring with them goods from their region to another and this would be the start of contributing and sharing, and trading their ways and ideas of growing crops and raising other goods. It can also be spread through wars. Through this, different relationships emerged. Hope this answer helps.
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