For the US, it was the Civil War (1861-1865).
it doesn't ha ha ha......................................
That the railroads connected towns to towns, overal connecting states to states, causing them to rely on each other.
I believe it was Scotland, but don't rely on my answer because I am not sure.
First and foremost, without the Nile there would be no Egypt, just desert. They rely on it as a source of water, transport etc.
Transport!
Electron transport chains
The large intestines, or colons to be specific, transport digested food molecules into the blood stream
Transport
To be able to transport materials and forces along a land based route rather then have to rely on ships for transport.
A central government is only an office; the states are the nation.
Cuz sometimes the place that they are travelling may be to far away, or some ppl are lazy...
-Transport Layer