What are some negative changes that occurred in the US in the years after World War 2?

After World War II, the U.S. experienced several negative changes, including the rise of McCarthyism, which fueled political paranoia and led to widespread accusations of communism, often without evidence. Economic disparities increased as the post-war boom initially favored certain Demographics, leaving marginalized communities behind. Additionally, the onset of the Cold War brought about heightened military spending and a focus on international conflict, diverting attention from domestic social issues such as civil rights and poverty.