[53] The young congressman broke with Hayes on the question of the currency, but it did not affect their friendship.[54] The United States had effectively been placed on the gold standard by the Coinage Act of 1873; when silver prices dropped significantly, many sought to make silver again a legal tender, equally with gold. Such a course would be inflationary, but advocates argued that the economic benefits of the increased money supply would be worth the inflation; opponents warned that "free silver" would not bring the promised benefits and would harm the United States in international trade.[55] McKinley voted for the Bland–Allison Act of 1878, which mandated large government purchases of silver for striking into money, and also joined the large majorities in each house that overrode Hayes's veto of the legislation. In so doing, McKinley voted against the position of the House Republican leader, James Garfield, a fellow Ohioan and his friend.[56]

Representative McKinley
From his first term in Congress, McKinley was a strong advocate of protective tariffs. 