President Thomas Jefferson commissioned the expedition shortly after the Louisiana Purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an American presence in this territory before Britain and other European powers
I'm pretty sure it was North America. I hope that's the answer you're looking for!
Answer:
B. During the Guilded Age
Explanation:
The first president of the United states was George Washington