Complex sentence: His mayoral administration had to deal with hard financial times in the late 1830s however he succeeded in major infrastructure improvements in the city including the original "cut" of Grant's Hill, a steep bluff boxing the city in on the east.
Split into simpler sentences: His mayoral administration had to deal with hard financial times in the late 1830s. However, he succeeded in major infrastructure improvements in the city including the original "cut" of Grant's Hill, a steep bluff boxing the city in on the east.