What changes led to the growth of nightclubs and movie theaters in early 1900s

Assuming that this is referring to the same list of options that was posted before with this question, the correct two responses would be "increased incomes" and more "free time", since this was an "economic boom" time in the US.

C, because he has a direct link and profit from the trade. the fastest way by boat to transport those goods is via the panama canal.