I think that the part of the continent meant in the Question is the North-Western part of the continent and the countries are:
France
Spain
Great Britain
United States.
At the time between 1760 and 1790 none of these countries made any claims to what is today Alaska
Answer:
mediterranean sea I would say
Explanation:
C chemicals are the only substance that can cause dissolveing or mass burning tension with atoms in a place and a human has chemicals also in the stomach which is used to break down food
Answer:
No. The Erie Canal helped many cities such as New York with many things. It very much improved their economy and even led them to Industrialization.
Hope this helps, please mark as brainliest :P
Explanation: