What did people do to get what they needed thousands of years
ago?
They paid for everything with crops.
They used money to barter for items.
- They exchanged one thing for another.

answer; ///i believe that the correct answer is refrigerants,(like r12) and aerosol

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.