Famous eyebrows

11) Towards the end of the Roman Republic, there were many warring factions and power struggles. a)This General and Consul, opened up army enlistment to the propertyless classes, and instigated the " standing army" - his name was (2 words) ...? b)Through his efforts, veteran soldiers who had completed their requisite service, were given grants in the conquered provinces - grants of what...?
c) how many times was he elected Consul...) d) Into which old and venerable Roman family did he marry.......?
e) one talented young soldier who had fought under him in the Numidian war, later became his rival and enemy, who was he....?