It depends on which period you are talking about. Until 1815, it was the British. After that, the Spanish, until 1846. Afterwards, ruthless entrepreneur gun runners who could get higher prices for cheaper, poorer quality firearms form the Native American tribes.
there were various helpers, Quakers, the non racial settlers, good natured white people, and some tribes took from the soldiers.
They got them after the Europeans came and started trading with the Indian tribes.
Many Americans bought into the idea of "Manifest Destiny"-- the belief that Americans were supposed to expand the country and acquire new territory. While this sounded good in theory, it often meant taking land away from the people who were already living there-- usually, the Indians (today called Native Americans). Other Americans moved west because it was there-- they liked the adventure and challenge of establishing a new town or city, and they were excited to be the first people in that place.
In 1898 by Act of Congress.
Louisiana was a French territory purchased by United States in 1803; Louisiana was not a Spanish territory.
In 1898 as a Territory by Act of Congress.
Becuz of the gold
France sold the northwest as part of the Louisiana Purchase, Mexico sold Texas to California, and Russia had prior ownership to Alaska.
Many Americans bought into the idea of "Manifest Destiny"-- the belief that Americans were supposed to expand the country and acquire new territory. While this sounded good in theory, it often meant taking land away from the people who were already living there-- usually, the Indians (today called Native Americans). Other Americans moved west because it was there-- they liked the adventure and challenge of establishing a new town or city, and they were excited to be the first people in that place.
France
Jefferson acquired The Louisiana Territory.
In 1846 Britain agreed for the US to take control of the territory
They purchased it from France.
Oregon
Inherent Power
ALASKA.
Yes, because settlers need more land to use as farmong sites. Without this land, our country wouldn't have been able to buy part of the Spain territory. If you like MMO RPGs, then you'll find me on roblox. My character is wickedwrath
In 1898 by Act of Congress.
Florida