Why are field trips an important part of education

Can someone me answer all the questions?

In the introduction of becoming mexican american, sanchez draws from stuart hall's notion of cultural identity (pg. 12-13). hall asserts that identities are enmeshed in "becoming and of being." they are subjected to the elements and context of history. explain what you think he means by the idea of becoming and being and explain how context fits into comprehending the american concept of manifest destiny.

When non-english-speaking children are initially taught in their native language, while at the same time learning english, this is called bilingualism bilingual education pragmatics metalinguistics?