Answer:
I think that this was established for the expansion of transport and communication during the 19 century. Before the clocks were invented, the people just kept using the time from different instruments which help them observe the sun while it pass at noon.
The Mesopotamia home was three stories high
An Incan citade in the Andes mountains in Peru. (Above the Urubamba River Valley) The original use of it is not known, but we do know it was built in the 15th century.
Answer:
54th Massachusetts Volunteers
Explanation: