Below are the choices for the above question, and the answer is letter A.
A) It made additional food sources available.
B) It allowed for smaller body size.
C) It was the first stage in the development of a bony skull.
<span>D) It increased the surface area for respiration and feeding</span>
The Louisiana Purchase treaty. the Louisiana Purchase treaty was an agreement between Thomas Jefferson and Napoleon Bonaparte in 1803 for the US to obtain the Louisiana territory (a large region from Louisiana to Montana) from the French for $15 million. This fits the concept of Manifest Destiny perfectly as Manifest Destiny was the US desire to expand westward across the North American territory. Purchasing the Louisiana territory allowed the US to expand westward and explore new territory while spreading American people and culture.
They would deplete all the resources in the area so when they took the risk of moving, there would be a new supply of food