After the war, the Treaty of Paris was signed, which also stopped the war, and Britain got just about all of the American property France had owned, if that's what you're referring to.
A is easily crossed off.
C is too; think about it - would the native americans have wanted the british to win the war? Either way, there are rarely accurate blanket statements like 'ALL the native american tribes and ALL the african americans.' That doesn't happen.
Answer:
To supplement their fleet during their Napoleonic Wars with France.
Explanation:
