Its primary purpose is to promote peace.
No.
The speed of sound in water depends on the temperature and pressure. As you go deeper, the pressure increases and the speed of sound increases.
Hello
Answer: They faced economic punishment (A)
Reason: the rest of the options are all rewards that they allegdly would receive if they broke the law. This makes no sense, people are punished for breaking the law, therefore option A is the most logical out of your choices.
Hope this helps