If u want it fast here you go
the answer is"<span>a. manufacturing processes"</span>
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 second were able to transport raw material by train steam engines
Explanation:
It means peace without a war and it could be viable if people used documents and words to solve problems instead of violence
