i dont know if this is right but if this help can you give me 5 or 4 stars pleases
The Fifth Amendment says to the federal government that no one shall be "deprived of life, liberty or property without due process of law.". The Fourteenth Amendment, ratified in 1868, uses the same eleven words, called the Due Process Clause, to describe a legal obligation of all states.
I would have to say A) Lewis and Clarke expedition because Lewis and Clarke did explore the Louisiana Territory, The Treaty of Greenville happened before the purchase, and the other 2 had different causes.
C is the answer to your question