The correct options are
A To gather information about the neighbouring kings.
B To find out the war strategies of the opponents.
C To observe the local events and report potential threats.
The kings used to appoint many spies across the kingdom. They were charged with finding out what was happening within the state and elsewhere. They were also required to gather information on neighbouring kings, their policies, and their war strategies. They kept an eye on the local events to learn about any possible uprisings and potential threats.