I believe the answer is B
Predation is a biological interaction where one organism, the predator, kills and eats another organism, its prey.
The Pacific railroad was constructed between 1863 and 1869.
<span> that the Federal government aid in the construction of roads and canals to improve transportation to and from the West
</span><span>The British blockade of the coast had underscored the necessity of rapid means of internal transportation; Calhoun proposed a system of great permanent roads to encourage domestic manufacturing.</span>
