Question

the policies and reforms of the second new deal were designed to
limit how labor unions operated.
create educational opportunities for adults
prevent the depression from happening again
boost the nations economy

Explanation:

The Second New Deal was a set of programs in the 1930s in the US aimed at economic recovery. It included measures to support labor, social - security, and infrastructure building to boost the nation's economy. It was not mainly about limiting labor unions, creating adult education opportunities, or preventing future depressions (though it had some long - term stabilizing effects).

Answer:

boost the nation's economy