Battle of Gaugamela, also called Battle of Arbela (Oct. 1, 331 bc) battle in which Alexander the Great completed his conquest of Darius III's Persian empire. It was an extraordinary victory achieved against a numerically superior army on ground chosen by the Persians.
<span>Railroads played a large role in improving travel and transportation in the US and Europe, especially in the 18th century.</span>
Assessing opportunity cost involves <span>making choices and dealing with consequences.
</span>
Answer is D due to a series of different conflicts and dissolutions
