I think it might be d although I am not entirely sure.
I think D is the answer. I may be incorrect, though.
The answer is that they were the expression of the consumerist culture of the period.
In the 1920s Ford dominated the automobile industry with its consumerist policies and thinking. Movies were also seen as products at the time by the studios that held the power in the movie business. That is why both of them were the reflections of the consumerist culture of the 1920s.
the correct answer would be the letter choice A
Texas has a very large beef/cattle industry, so the high demand for beef would benefit the economy of texas.
