Having won at the polls, he took office but faced severe problems stemming from worsening economic conditions and mounting opposition from the recently formed Republican party. The 1917 assassination (never fully explained) of the founder of that party and former president, José Manuel Pando, further undermined Gutiérrez-Guerra's popularity. Worse, he failed to act decisively from the point of view of his opponents, despite his call on Congress to launch an official investigation into the alleged excesses and misdeeds of his predecessor and political chief, Ismael Montes. Twenty-plus years of unbroken Liberal control of the government (the longest by one party in the history of Bolivia) had fatigued most Bolivians and turned them against the ruling elites and their methods, and earned the red-bearded, green-eyed head of state of this Andean nation, where the majority of people are Indian, the nickname "the last Oligarch."