Answer:
Although there are no right answers I'd say the Louisiana Purchase because it gave a huge amount of land and helped with transporting goods across the country. Making it easier to get resources that would otherwise take a long time to transport.
Be sure to change words and parts of my answer otherwise its just plagiarism and you could get an F.
<span>Leukocytes
</span>are blood cells that assimilate bacteria and foreign invaders.
<em><u>LEUKOCYTES
</u></em>
NOT:
<span>Antibodies
Hemoglobin
Platelets</span>
18. Berlin because not only was it a competition for the Soviet Marshalls Konev and Zhukuv but it was also a peace treaty made.
19. Finland & Norway
20. Sweden & Switzerland.
On the East coast like Boston and NYC,