The hittites in ancient times were able to conquer other civilizations in the middle east because

a. other cultures were peaceful and non-aggressive
b. they learned advanced battle techniques from the greeks
c. they were allied with the powerful egyptian civilization
d. they were the first culture to equip soldiers with iron weapons

The correct answer is - D. they were the first culture to equip soldiers with iron weapons.

The Hittites were are a very advanced civilization, very often put under the shadow of the neighboring civilizations. They were a great craftsman, and they revolutionized the weapons by making them from strengthened iron. They also had chariots that were on a much higher level than the ones their neighboring nations used. The Hittites also in their advantage used the internal worsened situations of the surrounding countries, as well as their arrogance and the fact that they were seen as underdogs.