Answer: Irrigation and terraces are still used today.
in the 1900s The U. S. Wanted to maintain the created expansion and not 'push its luck' with other nations.
<h3>How was United States in 1900s?</h3>
In 1900s, United States gained a lot of space and territory which was a result of some events such as as world war and others.
However, imperialistic actions on the part of the united states was made because those territory gained by United States were been secured.
Learn more about United States in 1900s at;
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The Continental army of General Washington were camped in the Valley Forge in 1777 - 1778. There was no war in the valley yet it was here that the troop had almost quit. They were here blood, war - beaten, and batle - weary.
