Answer:
Explanation:
These port cities were centers of trade, serving as links in terms of capital and labor mobility.
The similarity that explains why the cities of Hamburg, Venice, Amsterdam, and London were early front-runners in urban development was because they were all port cities.
Port cities were the first to receive trade from ships coming to Europe which made them centers of trade. As a result, Capital and labor flowed into these places.
The cities listed above such as London. Marseille, Hamburg and Amsterdam, were all port cities that became centers of trade.
Find out more on trade in Western Europe at https://brainly.com/question/1115601.
