Answer: Antibiotics: 1929. ...
Tissue culture: 1949. ...
Risks of smoking: 1950. ...
Antipsychotics: 1952. ...
DNA: 1953. ...
Immunology: 1958. ...
Oral rehydration therapy: 1960s–1970s.
Explanation:
A policy of extending a nation power by gaining political and economic control over other nation.
Answer:
A
Explanation:
I searched it up and it told me the similar answer like the one a has
Answer:
They feared it would lead to United States involvement in World War
Explanation: