Answer:
1. alexander the great: became king in Macedonia at age 20.
2. Hellenestic era: a time when Greek ideas spread to none Greek people .
3. Macedonian: admirer of Greek ideas who planned to conquer Persia.
4. Alexandria: used solid geometry to make weapons.
Explanation: then again it might be wrong because I don't know what Alexandria's last name is so I think this is it.
