<span>B. use of artificial fertilizers have on the environment in many years
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Winfield Scott, a General-in-Chief for the U.S. Union Army, came up with the Anaconda Plan to blockade the Southern waterways of the Mississippi and patrol the Mississippi river, in an attempt to split Confederate forces. The main drawback of the plan, although initiated from the onset, was that is was nearly an impossible task to accomplish due to the size of the Mississippi River.
<span>Dwight D. Eisenhower
hope this helps :)</span>
Louisiana purchase 1803
Lewis and Clark exposition 1804-1806
Missouri compromise 1820
Indian Removal act 1830
Oregon trail 1830-1843
Mexican American war 1846-1848
California goldrush 1849
Kansas-Nebraska act 1854
Homestead act 1862
Transcontinental Railroad 1863-1869
Klondike Goldrush 1896-1899
<span>Political cartoon from the Chicago Tribune from 1914, showing how this US was bestowed as releasing former Spanish colonies, 15 years after the Spanish-American War.</span>