During the medieval period, which of the following centers of trade was part of the hanseatic league?

The answer is Hamburg.  Although Lubeck was also an important city of the Hanseatic League, there were other cities who were also members as well.  The League grew in power to its trading activities that it had its own army and navy to protect its interests.

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.