He was nominated at the party convention on the sixth ballot, and was elected, serving until 1861. Garfield's major effort in the state senate was a bill providing for Ohio's first geological survey to measure its mineral resources, but it failed. Once he took his seat in December 1863, Garfield was frustrated that Lincoln seemed reluctant to press the South hard. Many radicals, led in the House by Pennsylvania's Thaddeus Stevens, wanted rebel-owned lands confiscated, but Lincoln threatened to veto any bill to do that on a widespread basis. In debate on the House floor, Garfield supported such legislation and, discussing England's Glorious Revolution, hinted that Lincoln might be thrown out of office for resisting it. Tariffs had been raised to high levels during the Civil War.