Explanation:
_ less raw material they have
_industrial revolution up in this 1st and 2nd stage .there are thankful iam Ethiopian and not colonze in italy talk and follow bye
Answer:
the first one. (there is no world without Verona walls, but purgatory, torture, hell itself.
Explanation:
Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.