Answer 1 is B
Answer 2 is A
Answer 3 is D
Answer: To keep soldiers loyal to Augustus and keep the service terms shorter.
Explanation:
Augustus rewarded soldiers to maintain their loyalty, even after their service term ended. Additionally, he decreased the size of the military in order to reduce the number of required service years.
I bet many things happened in 1790, on Brain.ly you need to be more specific. :)