Review the map.
A map titled Medieval Trade Routes. The Genoese routes go through Lisbon, Bordeaux, London, Bruges, Constantinople. The Hanseatic routes go through London, Bruges, Hamburg, Lubeck, Oslo, Gdansk. The Overland and river routes go through Constantinople, Rome, Florence, Milan, Barcelona, Bordeaux, Paris, Bruges, Cologne, Hamburg, Lubeck, Gdansk, Leipzig, Kiev, Krakow, Vienna, Venice. Venetian routes go through Valencia, Naples, Venice. Venetian and Genoese routes go through Valencia, Barcelona, Florence, Constantinople.
Which conclusion does this map support?
Only one group controlled trade routes.
Most cities developed along trade routes
Trade routes existed only along waterways.
Most Genoese trade routes were overland routes.