In the United States on the East Coast- New York, Boston, Charleston, Norfolk.
Alaska was bought from Russia by William Seward for 7.2 million dollars. Critics claimed that it was too much money, and question Seward’s willingness to buy it at that price. The deal became known as “Seward’s Folly”
Answer:
Significantly promote North-South economic exchange
Explanation:
To protect its head start, Britain tried to enforce strict rules against exporting inventions.