Original sentence: The neighborhood's demographics started to shift again when gentrification began during the 1930s, as a number of members of the administration of President Franklin D.While many "old families" stayed on in Georgetown, the neighborhood's population was poorer and more racially diverse by the early 20th century
Edited sentence: The neighborhood began to return to its past glory when gentrification began during the 1930s, as a number of members of the administration of President Franklin D.While many "old families" stayed on in Georgetown, the neighborhood was well past its prime by the early 20th century