Some of the earliest evidence of people riding horses in warfare as mounted archers orspear-throwers are usually credited to which of the following empires
a. romans
b. retricerians
c. persians
d. greeks

Some of the earliest evidence of people riding horses in warfare as mounted archers or spear-throwers are usually credited to "the Persians" since these people were early conquerors and uses these horses and weapons to their advantage. 

If u can translate that to english i will surely you!