Before modern science, what did many people say was the cause for pandemics?

This amendment made cuba an american protectorate and forced cuba to cede guantanamo bay to the u. s.

Which of the following did the maya, aztec, and inca all have in common

Which answer best describes an advantage of shipping goods by canal? most towns would rather have canals than noisy railroads. goods could travel very fast downstream in the canal system. travelling by boat is a much more relaxing way to transport goods. heavy loads of goods could travel by boat more easily than if pulled by horses.