Because she saved millions of slaves with the underground railroad , and directed them north!
The Corps of Discovery refers to the military unit that took a two year expedition with Lewis and Clark in order to explore the land recently bought by the US government from France. This territory became known as the Louisiana Purchase.
When exploring with Lewis and Clark, the Corps of Discovery went through several different states that exist today. This includes Kansas, Nebraska, Montana, Idaho, and Washington. Essentially, this route went from Missouri to the Pacific Ocean in Washington, covering the middle of the continental US all the way to the Northwest corner of the US.
The main way in which the Rosetta Stone acted as a key to modern-day understanding of ancient Egypt is that it allowed for the translation of Ancient Egyptian hieroglyphs, through Ancient Greek.
Robert E. Lee was in charge of the Confederate Army. Abraham Lincoln was the President of the United States and Jefferson Davis was the President of the Confederate states. Ulysses S grant was commander of the Union Army, so none of those answers are correct.