Answer:
he Supreme Court strikes down a law that bans importing inefficient automobiles" is an example of domestic policy action.
Explanation:
there is no explanation
Answer:
a) land grant
Explanation:
These grants were given to settlers of the Americas.
Answer:In 1947, Salk took a position at University of Pittsburgh, where he began conducting research on polio, also known as infantile paralysis. By 1951, Salk had determined that there were three distinct types of polio viruses and was able to develop a "killed virus" vaccine for the disease.
Explanation:
They got to know with the photographs from the U - 2 spy plane.
<em>Hope this helped! :)</em>