Explanation:
Culp’s Hill was the right-most flank of the "fishhook" line formed by Union Army troops during the Battle Of Gettysburg and saw fighting all three days of the battle. Culp’s Hill has two rounded peaks with a narrow saddle between them. Although heavily wooded and unsuitable for artillery, the main peak of Culp’s Hill rises substantially above the surrounding landscape, at a little over 200 feet above the town of Gettysburg and 127 feet higher than Cemetery Hill. With Baltimore Pike, critical for Union Army supplies and preventing Confederate advance on Baltimore or Washington, DC, to the east and Confederates approaching from Rock Creek to the west, Culp’s Hill was critical to Union strategy.
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The significance was that these allowed goods to be transported much faster than by horse. Canals allowed for things to be imported and exported much more easily.
Peasants provided European leaders with enough labor
Mainly from Europe more specifically Germany ,Ireland, England and France due to various problems such as crop failure. They have also immigrated because of Christopher Columbus's voyages of the new world.
Answer:
The Treaty on Open Skies entered into force on January 1, 2002, and currently has 34 party states. It establishes a program of unarmed aerial surveillance flights over the entire territory of its participants.