Yes, they did.
The WWI was concluded by a treaty that demanded big reparations from the countries that lost the war, which later burdened them financially and contributed to another war.
The WWII was concluded with attempts to unite the countries more and strengthen them economically, to avoid further conflicts.
They decided on this change because the terms of the Treaty of Versailles is blamed for bringing about another war, rather than peace.
the articles of confederation were the precursor to the constitution. they tried the articles first and when they failed they came up with the constitution.
It was the mountain men that blazed the trails.
They played as key travel guides to the west.
Why quit our own to Stand upon Foreign ground? It is our true policy to steer clear of permanent Alliances with any portion of the foreign world.....'
-George Washington
1) They built cisterns and irrigation canals that snakes and angeles down and around the mountains.
2) Crops such as resilient breeds of crops as potato’s, quinoa and corn.