These large crowded compartments were commonly referred to as "holds" or "cargo holds," particularly in the context of ships. On trains, they might be called "cars" or "freight cars." In the context of historical slave ships, they were often termed "slave holds," where enslaved individuals were confined during transport.
All modern cruise ships have watertight compartments. However, that does not make them "unsinkable." If the hole put in the side of the ship is large enough, it can affect multiple compartments. Look into the Costa Concordia disaster for more information.
6 watertight compartments
The iceberg ruptured how many of the Titanics watertight compartments
Five compartments were breached and even a few feet of a sixth.
5 water tight compartments were ruptured. Making the gash a total of 300 feet long.
Large apartment buildings that were often loud, dirty, and crowded were called tenements.
Large apartment buildings that were often loud, dirty, and crowded were called tenements.
A tenement
Large apartment buildings that were loud, dirty, and crowded were called tenements. Also, they were infested with rats and disease spread quickly. (A tenant)
ghetto
When the Nazis enforced them, they tried to get all of them to live in large, crowded areas called Ghettos.
It is called diffusion.
Large apartment buildings that were loud, dirty, and crowded were called tenements. Also, they were infested with rats and disease spread quickly. (A tenant)
Diffusion
Favela's
They are called favelas in Brazil. Other terms might be slum, ghetto, shanty towns or Hoovervilles.
Interstitial spaces