Free African American communities during the antebellum period showed the rest of Americans that African Americans could perfectly be as prosperous, self-reliant and educated as white Americans. They provided a showcase of what educated African Americans could accomplish and demonstrated that if they were given the same means and opportunities that white Americans enjoyed, they could perfectly enjoy the same level of prosperity of educated white Americans. The emergence of an active and extremely articulate black leadership showed the rest of Americans that the only thing that separated free, educated African Americans in the 19th from their white counterparts was the color of skin. Furthermore, not only intelligent African American leaders who were born free achieved a great level of education and influence, some of the leaders of the black community had been born into slavery and after escaping had managed to educate themselves and even surpass several white Americans in terms of intellectual accomplishments. Frederick Douglass is an excellent example of this. Despite being born into slavery and remaining in this condition until the age of 16, he secretly educated himself and escaped to become one of the most powerful and eloquent orator of the abolitionist movement.
The answer choice which is <em>not ONE situation</em> that is an expected effect of the recent Deepwater Horizon oil spill in the Gulf of Mexico is the rapid extinction of <em>top-level consumers</em> in the Gulf food webs, such as sharks, dolphins, and sea turtles
As a result of this, we can see that based on the incident which occurred in the Gulf of Mexico where the largest oil spill in the nation's history occurred, there were different expected effects such as scrubbing efforts of the surrounding wetlands, etc.
However, the answer choice <em>which is not</em> an expected effect is the <em>extinction </em>of top level consumers like sharks, etc.
Therefore, the correct answer is option B
Read more about Deepwater Horizon oil spill here:
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to create a permanent settlement to allow for equal access to trade
The answer is approximately 130,222,815 people they make up approximately 1.73% of the worlds population. Hope this helps.