The correct answer is <span>Cyrus the Great
He managed to conquer all the city states and turn them into a great empire. The empire would last for long because of its dynastic rule. This is the famous Persian empire that waged war against Greeks later and even against Alexander.</span>
There's many answers for this question, as long as it's a similar word to disbelief. President Roosevelt's reaction was pretty much thinking, "This is unbelievable." So therefore, you can put disbelief or distrust.
Math is the area where we struggle in the most.