Answer:
"Historians have spent years trying to crack language codes.
Explanation:
This one gives background on having to decode something meaning they are trying to figure out what the language or thing is.
Colder
That is the Anwser to the thing\
c)
To inspire her subjects to battle an invading army.
Answer:
b. serious
Explanation:
i might be wrong but i think its the answer cuz it looks best to me