Places to visit in usa in summer for Also in 1909, progressives persuaded Congress to pass the 16th Amendment to the Constitution, authorizing an income tax. This amendment became law in 1913, at the end of the Taft administration. Another issue that divided conservatives and progressives was conservation. Taft’s secretary of the interior proposed selling a million acres of public land. Progressives attacked the sale, pointing out that a previous sale in Alaska benefited a coal syndicate that included J.P. MORGAN. Places to visit in usa in summer 2016.