I pick A and D because if your business expand more people will work there
Answer:
to resolve issues related to rapid population growth
Explanation:
I looked it up
Edward Jenner
The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed
Answer: The United States government was initially hostile to the Soviet leaders for taking Russia out of World War I and was opposed to a state ideologically based on communism. Although the United States embarked on a famine relief program in the Soviet Union in the early 1920s and American businessmen established commercial ties there during the period of the New Economic Policy (1921–29), the two countries did not establish diplomatic relations until 1933. By that time, the totalitarian nature of Joseph Stalin's regime presented an insurmountable obstacle to friendly relations with the West. Although World War II brought the two countries into alliance, based on the common aim of defeating Nazi Germany, the Soviet Union's aggressive, antidemocratic policy toward Eastern Europe had created tensions even before the war ended.
Explanation: read this and figure it out !!!