Republicans retained control of the Senate and White House and bolstered their House majority after the 1924 elections. Amid an economic boom, the 69th Congress (1925–1927) reduced a variety of taxes. President Calvin Coolidge vetoed the McNary-Haugen Act which would have established federal price supports for agriculture, but the Air Commerce Act, the Railway Labor Act, and the Radio Control Act promoted long-term growth in those industries. The Public Buildings Act transformed a substantial part of Pennsylvania Avenue in the heart of Washington, D.C.