I believe that would be B. Metal weapons and armor
Hope it helps!
The Han, Roman and Gupta empires all fell do to invasion. A strong, loyal army is necessary to protect the empire from invasion. All of these empires were first weakened by a succession weak governments. The trust and faith in the government was eroded over time. Internal strife by the people because of declining abilities of the government to govern weaken the state. The government should try to prevent internal rebellions by maintaining good governance over the people.
Answer:The Marshall Plan
Explanation:
The Marshall Plan (officially the European Recovery Program, ERP) was an American initiative passed in 1948 to aid Western Europe, in which the United States gave over $12 billion (nearly $100 billion in 2016 US dollars) in economic assistance to help rebuild Western European economies after the end of World War II.
