Along the trade routes , Hanseatic trade stations became centers of the German culture .
At the same time , naval innovations led to a German domination of trade in the Baltic Sea and parts of Eastern Europe through the Hanseatic League .
Along the trade routes , Hanseatic League trade stations became centers of the German culture .
At the same time , naval innovations led to a German domination of trade in the Baltic Sea and parts of Eastern Europe through the Hanseatic League .