Answer:
In 1937, President Roosevelt made a speech suggesting that United States government should be more assertive toward aggressor nations. His suggestion was greeted with massive protest from isolationists who charged Roosevelt with betraying "Americanism"
<span>Started with extreme militarization. Once, they started adopting the life of western civilizations and embracing it they very quickly became a leading country in the world.</span>
The correct answer is atomic bombs.