A President Truman learned of the success of the Manhattan Project
Explanation:
American President Harry Truman made the decision to use the devastating atomic bomb on Japan as a direct response to the Pear Harbor attack on American soil.
The direct result of this was that the Japanese gave their unconditional surrender and the war was ended.
However, the indirect result of the decision to drop the atomic bomb was that President Truman learned of the success of the Manhattan project which was the atomic bomb.
Industrialization impacted the 19th century world economy, because it began to show which countries have what it takes to become an industrialized company, and afterwards become a world power. Without the industrialization, America may not have been known to be a world power
A major motivation behind the United States’ decision to purchase Alaska was the established seal fishery industry in the territory promised economic benefits.