It was D. <span>Baron Friedrich von Steuben
He was a former </span><span>Prussian officer.</span>
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:
brainly.com/question/9780988
Could you add a little more context please?
Sacajawea has the Native American woman that helped Lewis and Clark, mainly due to her brother being the leader of a tribe, which they needed to borrow horses from.
"a challenge for Medicare and Social Security"
