Answer:
Secret leasing of federal oil reserves by the secretary of the interior.
Therefore, Corruption in the US government, C is also a correct answer in this situation.
The Oregon trail was the most used trail during 1843 to 1870 and ran from Independence, Missouri, to the Willamette River valley. It was made from 1811 to 1840. There's an old-timey game about it too! Hope this helped!
like 5-10 cents it was a lot cheaper back in the day
they were called the bill of rights