How was the tenement housing problem addressed during the industrial age?

crowded, unsanitary, dangerous, unhealthy

Explanation: Hope this helps :)

attacks by the seljuk. a devastating blow to the entire byzantine world was dealt by christian crusaders from the west. the venetians were eager to destroy byzantine power and offered the crusaders money, ships, and part of the spoils of war.

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d.)   when the us left nato after the end of the cold war and they had to evolve to focus on more humanitarian measures with the smaller budget