Answer:
A: because of specialization
Explanation:
no one
hhazhjsjakhuaiba
red envelopes
a
the scient8fic?fnnfrnrnrjrjrjrjrjj44j4j4j5j4jj5j4jj5jjrururjrirtujtjt
Meriwether Lewis,William Clark,President Thomas Jefferson
That's the 3 names