Answer:
Some slaves bought their own freedom from their owners, but this process became more and more rare as the 1800s progressed. Many slaves became free through manumission, the voluntary emancipation of a slave by a slaveowner.
Explanation:
A pocket veto is only possible if "<span>C. Congress is about to adjourn", since Congress must be out of session and therefore unable to take back the bill in order for such a veto to be possible. </span>
German Americans were also detained. But only in certain places, in the US.
