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.
Answer:
Leif Erikson
Explanation:
Vinland, Vineland or Winland (Old Norse: Vínland) is the area of coastal North America explored by Norse Vikings, where Leif Erikson first landed around AD 1000, approximately five centuries prior to the voyages of Christopher Columbus and John Cabot.
Answer:
Giving the Union control of the Mississippi River
Explanation:
The Union wanted control of the Mississippi to cut off trade and transport for the South. The river being taken also made things harder for the Confederates (because it cut their side in half, so the Union had the upper hand).
