Oil was first discovered, on accident, in 1859 near Salina, Oklahoma. In 1907, Oklahoma produced more oil than any other territory or state and Oklahoma wasn't even a state yet.
Saying to be heard hope this is right
British forces are unprepared for the war that may soon happen. On the other hand, the Czechoslovakia army force was prepared enough to serve and defend their country in the expected war.
Answer:
I took the test, the answer is "Slavery in territories acquired (gained) from Mexico"
Explanation: