Trends of the 1950s • Expansion of the middle class
• Development of the interstate highway
system
• Growth of suburbs
The trends in this list all occurred as a result of
an increase in immigration after World War 11
the creation of the Department of Housing and Urban Development
reductions in peacetime defense spending
economic prosperity following World War II

.. and supported the largest public works project in history: the interstate highway system. ... He signed an expansion to Social Security—to cover the self-employed, and ... for modestly lower taxes on corporations and the highest income earners. ... and said he wanted to lead the country “down the middle of the roa

Explanation:

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.