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.
On March 15, 44 BCE, Julius Caesar, dictator of Rome, was stabbed to death by about 40 senators. Julius Caesar was assassinated by about 40 Roman senators on the "ides of March" (March 15) 44 BCE. Caesar's death resulted in a long series of civil wars that ended in the death of the Roman Republic and the birth of the Roman Empire.
The right answer is more than likely C because because the British had an inexperienced army. Although the British did inflict significant causalities to the army it was a clear victory for the Americans.
Explanation:
During the period of the republic (753–31 bce), the (civil law) developed. Based on custom or legislation, it applied exclusively to Roman citizens. ... Roman law, like other ancient systems, originally adopted the principle of personality—that is, that the law of the state applied only to its citizens.
That's what south part of the u.s did in the 1860s to revoke African Americans of there right to vote