Choose two theories, hypothesis, or model from Chapter 4 Part A (pp. 104-118) th

Choose two theories, hypothesis, or model from Chapter 4 Part A (pp. 104-118) that supports our argument. Explain how the theory/hypothesis/model supports argument in a short paragraph (about one page). The argument is that the earlier a second language is introduced in school programs, the greater the likelihood of success in learning. Also, i posted our textbook below. Thank you so much.