How would you explain the banking system to younger students?

can someone answer this

The five tribe’s economy shifted in many ways, which of the following changes is not an example of how they assimilated? a. many tribes began to herd animals and build plantations. b. tribes began to use bartering to trade with others. c. at stores and trading posts, tribes used us currency to trade. d. women began to focus on weaving and spinning to make cloth.

Which situation would be considered an example of the freedom of association? a. three students write a letter to a local newspaper demanding that a teacher be fired. b. a group forms on a college campus to support a particular political candidate. c. an individual purchases a membership to a local gym. d. a religious organization buys several local lots in order to construct a new church building.

What industry was exempt from the child-labor laws passed in the factory act of 1833?