The Yellowstone Act of 1872 designated the region as a public “pleasuring-ground,” which would be preserved “from injury or spoilation, of all timber, mineral deposits, natural curiosities, or wonders within.” For a nation bent on settling and exploiting the West, the creation of Yellowstone was surprising.
Railroads made transportation of materials, supplies, etc much faster and easier.
Canals (such as the panama canal) helped make water transportation easier and quicker.
Roads made everyday travel easier
<span>Treaty power is a co-ordinated effort between the Executive branch and the Senate.</span>
I think its the roman empire ...