Pennsylvania's borders have never been near the ocean. So Pennsylvania never had any ocean ports.
Erie is the largest port in Pennsylvania.
Yes, Pennsylvania did rely on slave labor during the colonial period and into the early years of the United States. However, the practice was gradually abolished beginning in the late 18th century, culminating in a state law in 1780 that began the process of gradual abolition. By the early 19th century, slavery had largely disappeared in Pennsylvania.
Yes
The address of the Pennsylvania Historical Association is: 180 Sellers Ln, Port Matilda, PA 16870-7109
Maryland (slave) and Pennsylvania (free).Pennsylvania and Maryland
Joe Port was born in ????, in Altoona, Pennsylvania, USA.
Columbia, today there are many towns that are prodominatly black and speak spanish due to Columbia being a slave port.
Pennsylvania had maybe around 2000 slaves and servants
Maryland (slave) and Pennsylvania (free soil)
Erie.
Maryland (slave) and Pennsylvania (free soil)
Should this question be referring to the United States before slavery was abolished in 1865, here are a few slave holding States that bordered on States were slavery was illegal: Slave State Maryland: borders with non slave States of: Pennsylvania and West Virginia; Slave State of Delaware bordering non slave States of New Jersey and Pennsylvania. This is only a short list of slave States bordering non slave States at the time of the US Civil War.