Answer: supporting the unions or getting the economy back on track.
Harry S. Truman was the 33rd President of the United States. He assumed the presidency during the last months of WWII and at the beginning of the Cold War. He was a moderate Democrat and for the most part, he tried to continue the policies of the New Deal that Roosevelt had implemented.
However, Truman generally had an antagonistic approach to labor, particularly during the wave of labor strikes from 1945-46. Truman mostly chose to side with employers instead of unions in an attempt to improve the economy. This made him an unpopular character, receiving very low public approval poll numbers.
Many Americans on the West Coast attributed declining wages and economic ills to Chinese workers. Although the Chinese composed only . 002 percent of the nation's population, Congress passed the exclusion act to placate worker demands and assuage prevalent concerns about maintaining white "racial purity."
Because it weakened the Japanese morale. The IJN would no longer be capable of operations in the Pacific Southwest because their resources were low. They were also still reeling from the losses at Midway.
The Americans secured Henderson field, a major airfield that prevented the Japanese from spreading south into Australia. The Aussies would be helpful in Operation D-Day.
US-Australian supply lines were no longer under threat. It's why the IJN tried to take the island in the first place.
