C. To show that the General had a difficult time saying something.
Explanation:
In this excerpt, Twain uses the expression "to find his voice." This is an idiom that means that the general could not speak. This is Twain's way to say that the General had a difficult time saying something. This is likely a consequence of the fact that the General is in shock due to the actions of the man.
it makes the most sense since the ancient civilizations had a lot of troubles, so they made up gods for answers and provided them comfort. knowing there is a all omnipotent god.
