Ownership of what two items were very important to Americans and greatly expanded during the 50’s?

Many Americans continued to live in poverty throughout the 1950s, especially ... In the United States, the post-World War II period was marked by this phenomenon. ... was an important component of the post-World War II economic boom in the ... The U.S. economy grew dramatically in the post-war period, expanding at an ...

first paragraph (and busy all the night ,with a silence deep and white )