Stars and planets is the correct answer
Do you mean Alexander The Great?
Cavalry was important because soilders had to move from place to place instead of walking along the hot desert, which was very difficult.
hope this helps :)
Answer:
Because people can't see that everyone is the same no matter what color your skin is, no matter if you have a mental health problem no one can see that we are all the same. cut us and we all have the same color blood we all have flesh and bones. Everyone is equal no matter what is different about us