Answer:
Gibbons v, Ogden strengthened federalism and pertained to Interstate commerce and its regulation.
Explanation:
The Dorian invasion is a concept devised by historians of Ancient Greece to explain the replacement of pre-classical dialects and traditions in southern Greece by the ones that prevailed in Classical Greece. The latter were named Dorian by the ancient Greek writers, after the Dorians, the historical population that spoke them.
Himalaya Mountains is the answer
Answer: Factors would be an easier way to make steel
Explanation: Before the Weimberg process making steel was more expensive.