Answer: The planks of the great companions resembled a pointed wedge when they charge for the Persians.
Step-by-step explanation:
It was the battle of Gaugamela in which Persians were attacked by Alexander. At that time, Persia was rules by Darius III.
Darius's strategy proved a failure and did very little to hold the progress of the Greek forces led by Alexander.
This battle had marked the end of Achaemenid Empire by Alexander the Great.
This battle was a war between Macedonia and Achaemenid Empire which took place in Iraq.
This was an extraordinary victory for Alexander.