yes
Transportation of good across the continent and locally.
They used wagon trains and loved the way they had to travel!!
They could be built almost anywhere.
because they were faster
people coulkd no go farther away from home
Trains were the fastest, cheapest, largest and safest mode of travel over land.
Stagecoach.
25,000 miles across.
The best way to travel across most deserts, especially hot deserts, is in an air conditioned vehicle, preferably with 4 wheel drive.
In 1830 Peter Cooper built the first steam driven locomotive. By 1860 the railroad was all the way across the US.
Airplanes reduce travel time. and they are also a safer way to travel.
Yes.