They are used to show depth of the oceans ----
the statement is false.
Social--introduction of television, more availability of cars, suburban life, teenager culture, rock n' roll.
Economic--increased consumer products, more jobs available, increased numbers of middle class, global demand for US products.
The 1950s were a great decade for white, middle-class families. They were able to buy homes, cars, and consumer products while sending their kids to school and moms staying home. However, minorities and lower classes did not enjoy the benefits of the 1950s culture and economy.
What up? The Roof! Sorry, I just answered my own question! Anyway! The answer to your question is...
C) The Gulf of Tonkin!!
Good Luck!!
The Answer is B. Because these crops were an important part of the food supply