The Soviet Union dominated politics in eastern Europe
The answer is: Water management projects created huge reservoirs and lakes where there had been dry canyons.
The National Reclamation Act of 1902 was a federal law that was passed in order for the federal government to start major irrigation projects in the West.
The result of these major projects was the creation of complex structures and systems(reservoirs and lakes) that would allow for the transformation of arid lands into farm capable lands.
The Libertarian party is highly against government interventionism and believes that wars should be fought only and only if attacked first, as self defense.
Germany
Austria
Japan
those are some countries that were destroyed and rebuilt