Question: What state existed from 1861, when King Victor Emmanuel II of Sardinia was proclaimed King of Italy, was the subject to the plotting of  an insurrection in Italian Eritrea by the government of Ethiopia?
Sentence (from "Battle of Halai"): On December 18, a force of Italian troops, led by Major Pietro Toselli discovered that a small Italian fort at Halai (garrisoned by 220 men) was being besieged by 1,600 of Bahta's rebels.
Relevant evidence: No