Complex sentence: Speaking at the Hotel Montana in Port-au-Prince on May 15, Pierre alleged that corrupt deputies had prevented his nomination from succeeding because he had been unwilling to negotiate with them and satisfy their demands for money, projects, and positions in the government.
Split into simpler sentences: Speaking at the Hotel Montana in Port-au-Prince on May 15, Pierre alleged that "the forces of corruption" had prevented his nomination from succeeding. According to Pierre, he had been unwilling to negotiate with deputies regarding their demands for money, projects, and positions in the government.