Colorism-skin tone discrimination in America is basically discrimination based on someones skin color. It's a form of prejudice in which people are treated differently based on the social meanings and connotations attached to their skin color. However, It's not really a synonyms for racism, even though it seems like it.
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The abolitionists had both theoretical and practical influence on the antislavery attitudes in the North. Their practical influence was seen in organized actions for freeing slaves and helping them escape to Canada. Quakers were often involved in these actions and were willing to risk their lives. The theoretical influence of abolitionists was immense. For example, <span>Harriet Beecher Stowe, who wrote the famous novel "Uncle Tom's Cabin", profoundly influenced the popular thinking about slavery, not only in America, but throughout the world.</span>
Robert Oppenheimer, was brought in for the Manhattan Project. Top Secret, they were worried about him at first, but realized he was a genius. What is the Manhattan Project? The race to build the world's first atomic bomb during World War 2. Robert Oppenheimer was called in to be the main man to basically make the atomic bomb real.
Thomas Jefferson bought Louisiana from France.
The geography of the region helped to shape the government and culture of the Ancient Greeks. Geographical formations including mountains, seas, and islands formed natural barriers between the Greek city-states and forced the Greeks to settle along the coast.