Development of a school for the Deaf gradually helped change the belief that they should be considered disabled

given a formal language

isolated from society

taught lip-reading only

Option C

Explanation:

Deaf people are physically disabled and there are several prejudices against physically challenged people. It is a common belief that they can not stand equivalent to normal human beings and hence most of the time they are isolated from the society. They are not allowed to go to school as they need special care.

Opening of school for deaf people is a symbol of imparting equal education to all .

Hence option C is correct

1st amendment: freedom of speech, religion, petition, press, and assembly

2nd: right to bear arms

3rd: quartering of soldiers

4th: search and seizure

answer; i believe the correct answer is (the willamete valley);