The proclamation of 1763 forbade colonists from crossing the appalachian mountains, because Great Britain decided that if the colonists took too much land, the Indians would attack, and Britain did not want to be at war with the Indians, especially after the costly fight with France, which left their coffers (money) empty
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League of United Latin America Citizens?
The correct answer among all the other choices is Interstate Highway System. This Cold War protection is still in use today. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.