Answer:
McGuffey's Readers were among the first textbooks in the United States designed to be increasingly challenging with each volume. They used word repetition in the text as a learning tool, developing reading skills by challenging students using the books. Sounding-out, enunciation, and accents were emphasized. He also used the first Reader, and this taught reading by using the phonics method—the identification of letters and their arrangement into words.
The answer to this question is <span>subtractive bilingualism
</span><span>subtractive bilingualism is a situation where a person learn a second language but had to forget the previous language/culture in the process.
In most cases, this phenomenon is caused by overwhelming desire to fit in within a new social group.</span>
It aroused sympathy for run away slaves and converted many people to abolitionism.