They do teach that in some history classes. I would encourage you to read more about events such as the Rape of Nanking or Comfort Women if you have any concerns about why the Allied nations fought Japan. It was not due to the business interests of Wall Street. There were real world consequences for millions of people due to Japanese aggression and the Japanese were actively threatening numerous sovereign nations.
Tensions between Japan and the prominent Western countries (the United States, France, Britain and the Netherlands) increased significantly during the increasingly militaristic early rule of Emperor Hirohito ... as part of Japan's alleged "divine right" to unify Asia under Hirohito's rule.[1]
During the 1930s, Japan's increasingly expansionist policies brought it into renewed conflict with its neighbors, Russia and China... In March 1933, Japan withdrew from the League of Nations in response to international condemnation of its conquest of Manchuria and subsequent establishment of the Manchukuo puppet government.[2] On January 15, 1936, Japan withdrew from the Second London Naval Disarmament Conference because the United States and Great Britain refused to grant the Japanese Navy parity with theirs.[3] A second war between Japan and China began with the Marco Polo Bridge Incident in July 1937.
Japan's 1937 attack on China was condemned by the U.S. and several members of the League of Nations including Britain, France, Australia and the Netherlands. Japanese atrocities during the conflict, such as the notorious Nanking Massacre.... The U.S., Britain, France and the Netherlands each possessed colonies in East and Southeast Asia. Japan's new military power and willingness to use it threatened these Western economic and territorial interests in Asia.
https://en.wikipedia.org/wiki/Events_leading_to_the_attack_o...
Tensions between Japan and the prominent Western countries (the United States, France, Britain and the Netherlands) increased significantly during the increasingly militaristic early rule of Emperor Hirohito ... as part of Japan's alleged "divine right" to unify Asia under Hirohito's rule.[1]
During the 1930s, Japan's increasingly expansionist policies brought it into renewed conflict with its neighbors, Russia and China... In March 1933, Japan withdrew from the League of Nations in response to international condemnation of its conquest of Manchuria and subsequent establishment of the Manchukuo puppet government.[2] On January 15, 1936, Japan withdrew from the Second London Naval Disarmament Conference because the United States and Great Britain refused to grant the Japanese Navy parity with theirs.[3] A second war between Japan and China began with the Marco Polo Bridge Incident in July 1937.
Japan's 1937 attack on China was condemned by the U.S. and several members of the League of Nations including Britain, France, Australia and the Netherlands. Japanese atrocities during the conflict, such as the notorious Nanking Massacre.... The U.S., Britain, France and the Netherlands each possessed colonies in East and Southeast Asia. Japan's new military power and willingness to use it threatened these Western economic and territorial interests in Asia.