The Government Accountability Office (GAO) is an independent agency of the United States Congress. Its primary role is to provide auditing, evaluation, and investigative services to help Congress make informed decisions. The GAO examines how taxpayer dollars are spent and assesses the performance of government programs. Established in 1921, the GAO aims to improve the efficiency and effectiveness of government operations. It produces reports and recommendations based on its findings, which can influence policy and budget decisions. The agency plays a crucial role in promoting transparency and accountability within the federal government.