It gave the North a military advantage.
Answer: Time zones created a standard of time that all trains followed
The telescope, the microscope, and navigational instruments such as compasses, ring dials, etc.
3 and -14 as proven here: 3 x -14 = -42
he was a Spanish conquistador and explorer. He was active in the Caribbean in the early part of the 16th century. His name is usually associated with the exploration of Puerto Rico and Florida.
