Answer:
A distinct self-advocacy movement of people with disabilities, which started during the 1970s, began campaigning for protection and recognition of their human rights. It advocated the enactment of a comprehensive legislation with a rights-based approach, placing special emphasis on social and economic rights.
Explanation:
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Because they wanted to avoid being involved in any other world wars.
The correct answer is B: Flat and low around the Mississippi River, gradually rising to the Rocky Mountains, then tapering off quickly to the ocean. The area around the Mississippi river features low hills and broad, shallow valleys. It starts rising higher in South Dakota until it reach the northwest Rocky Mountains peaks and it decreases slowly into the Pacific Ocean.
There are many innovations such as, sewage systems, railroad networks , telegraph, and new innovations in steel production .