Answer:
This depends on your perspective. As far as countries goes, they include Russia, America, Germany, and Britain. However, almost everyone was involved in it, as it effected many things they did in everyday life.
Explanation:
Another dynasty freedom was never allowed
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:
Price-supports or <span>buying surplus crops and selling them abroad.</span>