Robert Smithson pioneered one of the most important ecological landmarks of the late twentieth century, the piece known as ,a 1,500 foot-long coil consisting of 6,650 tons of local black basalt, limestone, and earth.

A)Remains
B)Spiral Graph
C)Twist
D)Spiral Jetty

because of its location and commercial importance, atlanta was used as a center for military operations and as a supply route by the confederate army during the civil war. therefore, it also became a target for the union army. general william tecumseh sherman and his troops captured the city in 1864.

the decreasing neutrality of the u. s. in world war i

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bujías y una hora antes y no me parece muy difícil

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.