Help super easy 6th grade

What aspect of the roaring twenties do you think changed society

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.

Which was a problem for american industry in the late 1700s to early 1800s? a. national trade unions b. a shortage of laborers c. child laborers