Yes you can. ORS 266.170 In Oregon an expungement in relief from prohibiton of gun rights.
no
Have your record expunged or the conviction overturned.
The Louisiana Purchase and Oregon are divided by the Rocky Mountains.
No. Expungement only makes your conviction hidden from the general public - it doesn't make it go away.
Yes
no
Mutual materials , Gresham oregon.
Yes.
No, the Oregon Trail was used by people moving to settle in Oregon later in the Nineteenth Century. It didn't exist yet when Lewis and Clark surveyed the land the United States gained in the Louisiana Purchase. In fact, the Oregon Territory was not even a part of the Louisiana Purchase.
You have to be 18 to purchase one
the Oregon country purchase was in 1814 after the war of 1812 it was bought before Texas and the land given up by Mexico
If you mean the Oregon Treaty, that is a treaty between the United Kingdom and the United States that was signed on June 15, 1846 in Washington D.C.