According to his letter, what challenge did truman face when he became president?

When he first became President, the conflict with Japan was still continuing. After the war finished there was trouble in Korea which became an impasse after China move toward in to help North Korea. Obliteration of Europe and Asia that required to be reconstructed. The Russians declined to pull out their troops from Germany and Eastern Europe and remained in Estonia, Latvia, and Lithuania. There were severe labor difficulties in the US Steel industry. The US had to readapt to a peace-time economy and recuperate from the enormous costs of WW II.

considered the turning point in pacific war. the japanese tried to lure the american navy out so it could be destroyed but failed. the americans were led by admiral chester nimitz. the victory by america would put them on the offensive for the remainder of the war.