Which reason best supports Zimmermann’s claim in The Code Book that "cryptography is about political power”?

Question

Governments use cryptography to protect classified information from being leaked to the public.
Politicians use cryptography to send messages to each other about new legislation.
Cryptography allows individuals to protect their freedom of speech in a healthy democracy.
For thousands of years, governments and leaders of civilizations have used various forms of cryptography.

Answer 1

The reason that best supports Zimmermann’s claim that "cryptography is about political power" is:

For thousands of years, governments and leaders of civilizations have used various forms of cryptography.

This statement directly connects the use of cryptography with the exercise of political power and control throughout history, emphasizing how it has been utilized by those in power to secure communication and maintain authority.