Complex sentence: East Fourteenth Street has sixty-seven houses from Pershing Street to Arlington Avenue along Fourteenth Street Developed during the 1840s and the 1870s, the neighborhood contained mostly middle-class Irish immigrants and Americans.
Split into simpler sentences: East Fourteenth Street has sixty-seven houses from Pershing Street to Arlington Avenue along Fourteenth Street developed during the 1840s and the 1870s. During that time, the neighborhood contained mostly middle-class Irish immigrants and Americans.