What is an example of the term "Restraint of Rulers, Princes, or Peoples" in a marine insurance policy?

A
A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseases.
B
Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lien.
C
Damage caused by riot of the population of a port.
D
Losses caused by fines from polluting the harbor after malfunction of a piping system.
E