Which of the following most accurately describes the impact of Columbus' journey to "The New World?" *
A)Columbus was the first person to discover America
B) By connecting Europe and the Americas, the lives of Native Americans were improved
C) Contact between Americans and Europeans resulted in the Columbian Exchange
which radically altered life for both Europeans and Natives
D) Native American diseases decimated the European population

B

Explanation:

Christopher Columbus introduced horses, sugar plants, and disease to the New World, while facilitating the introduction of New World commodities like sugar, tobacco, chocolate, and potatoes to the Old World. The process by which commodities, people, and diseases crossed the Atlantic is known as the Columbian Exchange.

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.