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.
England's people would of been the first group of English settlers to establish a settlement.
I have to say B. The rest were concepts made in Greece, by Greek philosophers, politicians, or mathematicians. An example for an advancement in math is the Pythagorean Theorem. I hope this helps!