The Mexican-American war of 1846-1848 was justified in the opinions of many by the idea of "Manifest Destiny" since this held that the US was "destined" to expand to the Pacific Ocean.
One idea is to buy new land.
"Britain<span> also needed money to pay for its war debts. ... They decided to require several kinds of taxes from the </span>colonists<span> to help pay for the French and Indian War. These taxes included the Stamp Act, passed in 1765, which required the use of special paper bearing an embossed tax stamp for all legal documents."</span>
Answer: As amazing as Sacagawea was, she did not kill a Grizzly bear with her bare hands.
I'm pretty sure this would be Ethiopia. However, Liberia was also never colonized. Liberia was founded by freed slaves, therefore, the answer is Ethiopia, which resisted Italian attempts to be colonized. I hope this helps!