Well it started in 1888 and ended in 1918 so I would say about 30 years
The lines of longitude on a map gives us the east-west positioning of a point on the Earth's surface. Lines of longitude are geographic coordinates and measurements are given in degrees. The other geographic measurement is latitude, which gives the location of something according to it's north-south geographical positioning.
George McClellan is the answer
Answer:
D
Explanation:
After the french- indian war