Member of Congress thumb|Brady-Handy photo, circa 1876 Identified with the Stalwart faction of Republicans led by Roscoe Conkling, in 1878 Morton was elected to represent Manhattan in the 46th Congress. He was reelected to the 47th Congress in 1880, and served from March 4, 1879, until his resignation on March 21, 1881. During Morton's House tenure, he served as a member of the Foreign Relations Committee. On the currency issue, which dominated discussions of U.S. economic policy for several decades, Morton consistently advocated for the gold standard.
Member of Congress thumb|Brady-Handy photo, circa 1876 Identified with the Stalwart faction of Republicans led by Roscoe Conkling, in 1878 Morton was elected to represent Manhattan in the 46th Congress. He was reelected to the 47th Congress in 1880, and served from March 4, 1879, until his resignation on March 21, 1881 During Morton's House tenure, he served as a member of the Foreign Relations Committee. On the currency issue, which dominated discussions of U.S. economic policy for several decades, Morton consistently advocated for the gold standard.