This isn't a complete question...
Answer:
A subsequent theory, known as the “Kelp Highway,” came closer to the mark: As the from the East might have settled there before moving on to North America. “
Explanation:
Answer:
Plessy v. Ferguson was the case involving an African-American man being denied a first class seat on a
train.
Answer: household and firms
Explanation:
The circular flow model which is also referred to as the circular flow of income simply shows how money flows or changes hand between the household and the firms.
For example, the individuals purchases goods from the firm's and the firms pay individuals which are the workers wages and salaries. Money moves through different ways in the economy.