Answer:
A) Truman ordered that supplies be brought to Berlin via an airlift.
Explanation:
During the Berlin Airlift, western countries delivered food and fuel to the city of Berlin through air because all other routes were blocked by the Soviet Union.
Answer:
Urbanization
Explanation: Millions poured into cities for jobs in factories during the industrial era. This rapid urbanization resulted in overpopulation, crowded tenements, strain on city service, health issues etc.
Reliable because it's not always sunny
