Re-elected numerous times, Allison's Senate tenure was marked by his influence on regulation, railroad, and tariff policy.<ref name=bio/> Initially retaining the moderate stances he was known for during his House years, Allison over time sided with protectionists. | Re-elected numerous times, Allison's Senate tenure was marked by his influence on regulation, railroad, and tariff policy.<ref name=bio/> Initially retaining the moderate stances he was known for during his House years, Allison over time sided with protectionists. |