Tenement apartments at the beginning of the twentieth century were
spacious but crowded.
small and dangerous.
crowded but safe.
renovated and spacious.

small and dangerous.

Explanation:

During the 20th century, housing in the cities became denser, and the number of houses decreased while the number of flats or dwellings in height increased. The single-family houses are located in the most affluent neighborhoods on the outskirts of cities. They are also frequent as a second home, for vacations or weekends and the concepts of external and internal decoration take relevance.

honestly you should get that checked out because it really isn't normal

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation: