It was a twenty-year conflict Hostile_encounter between the Celtiberian tribes of Hispania Citerior and the Roman government .

The Lusitanians were subdued Conquering by Sulpicius Galba , who betrayed their surrender and executed their leading men , and the Arevaci of Hispania Citerior continued the war Hostile_encounter and allied Collaboration with the Lusitanian leader Viriathus .

In 134 BC , the Consul Scipio Aemilianus was sent Sending to Hispania Citerior to end Process_end the war Hostile_encounter .