How did cities grow after the black death?

Mechanisms of urban recovery Some permanently collapsed after the Black Death, whereas others gained in the long run. These permutations were associated with fixed factors, and favoured cities with better land and trade potential, and so urban systems may have become more productive.

Explanation:

on my last question

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.