Which were characteristics of Alexander the greats empire select the two correct answers

Answer 1

1) It was the largest empire of its time, stretching from Greece to Egypt and as far east as India.
2) It promoted the spread of Greek culture and ideas through the conquered territories.
3) It was characterized by a centralized and efficient administration.
4) It maintained peaceful and harmonious relations with neighboring empires by forming alliances and treaties.
5) It had a strong military force and highly skilled soldiers.