B.
For those that could not write (So most), they carried a seal around either on a necklace or otherwise that they could use to stamp with ink to signify 'signing' something.
Britain, France, Russia, Italy and the United States.
this would lead to there being a large black market for the materials or them being highly restricted by the government because they are going to become rare and very valuable.
The answer to your question is:
C. Were dirty, crowded, and unhealthy.
