Complex sentence: Quartermaster General Montgomery C. Meigs said construction of a new sewer system would be too "extravagant", although in June 1863, he authorized the construction of the sewers after being pressured by the U. S. Sanitary Commission.
Split into simpler sentences: Quartermaster General Montgomery C. Meigs said construction of a new sewer system would be too "extravagant". In June 1863, he authorized the construction of the sewers after being pressured by the U. S. Sanitary Commission.