For all its historic grandeur, the loyal Senate now is the equivalent of a city council, its statesmanship dedicated to water supplies, sewage lines, and the establishment of playgrounds.
The Senate of old had tremendous political power. 
mnli hypothesis: The Senate of old had tremendous political power.  premise: For all its historic grandeur, the loyal Senate now is the equivalent of a city council, its statesmanship dedicated to water supplies, sewage lines, and the establishment of playgrounds.