Why did Philadelphia grow so fast in the 1880's?

Philadelphia experienced rapid growth in the 1880s due to several key factors, including industrialization, the expansion of the transportation network, and Immigration. The city became a major manufacturing hub, attracting workers from rural areas and abroad. Additionally, the development of railroads and canals facilitated trade and movement, further boosting the economy. This influx of people and industries contributed to a significant population increase during the decade.