Why did the Native Americans favor the British during the Revolutionary War? A. The Natives believed they could achieve a seat in government if they supported the British.
B. The Native Americans wanted to eventually move to Great Britain to escape their persecution.
C. They wanted to trade hides for British tea.
D. They believed if the Americans won they would continue to expand into Native American lands.

D. They believed if the Americans won they would continue to expand into Native American lands.

I think that it's A, but here's my explanation. Hope this helps. < 3

Explanation:

Numerous Native American clans battled in the Revolutionary War. ... Different clans joined the British in the expectations that if the British won, they would end frontier extension in the west, as they had finished with the Royal Proclamation of 1763.

your list doesn't mention any of them at all.

and what does "these" mean anyway ?

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