Compare the following passages:

US Constitution, Amendment XIII:
"Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction."

Japanese Constitution:
[Note: Insert relevant passage from the Japanese Constitution for a complete comparison]

What is the purpose of these two passages?

A. To define the terms and conditions of forced labor
B. To clarify that no individual can be unfairly enslaved
C. To prohibit the practice of underpaying people for work
D. To describe which offenses are punishable with forced labor