By the end of the 19th century, Boston's core neighborhoods had become enclaves of ethnically distinct immigrants.
The BRA subsequently re-evaluated its approach to urban renewal in its future projects, including the construction of Government Center.
In 1965, the Columbia Point Health Center opened in the Dorchester neighborhood, the first Community Health Center in the United States.
By the 1970s, the city's economy had recovered after 30 years of economic downturn.
A large number of high rises were constructed in the Financial District and in Boston's Back Bay during this time period.
Later, a dense network of railroads furthered the region's industry and commerce.