What innovation did Lt. Col. Hal Moore and his soldiers invent and what were the advantages and disadvantages?

it will be innate immunity. good luck with your test : )!

oh and if you need . ask the question

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its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

hey, did you get this? could you me out?