I believe there are lots of reasons why the Roman Empire declined but the 3 most important ones are, Government corruption and political instability, Invasions by Barbarian tribes, and The rise of the Eastern Empire, but the one I think is the most important is the first one reason.
Answer:
Constantinople was the capital of the Eastern Roman Empire.
Answer:
The Provisional Government felt it had to continue the war. ... The Government was afraid of the demands that the Germans might make if Russia asked for peace. Some such as Alexander Kerensky (Prime Minister July to October 1917) believed that a victorious war would unite the people behind the Government.
Answer:
Not exactly sure what you mean. However, here are some formulas:
S=D/T
D=S*T
T=D/S
D= Distance
S=Speed
T=Time
