Washington<span> served as a general and commander-in-chief of the colonial armies </span>during<span> the American Revolution, and later became the first </span>president<span> of the United States, serving from 1789 to 1797.</span>
Answer: There is pollution in the east river
Explanation: If we think about it cant be a lack of food as it talks about having a large food source. Nor can it be climate change as that would result in a low yellow Perch population. it cant be they aren't able to catch the bird. So the only logical answer is a pollution that the birds are adapted to.
Constantinople briefly served as the capital but was quickly conquered by the Persians.