91.   Authorities have blamed the drought on the El Nino weather phenomenon.

92.   Authorities have blamed the situation on an international embargo that was imposed on Serbia for more than three years.

93.   Authorities have blamed the unrest on the Iraq-based Mujahedeen Khalq Organization, the largest Iranian opposition group.

94.   Authorities have blamed these groups for violence in the area that prompted the U.S. Embassy last year to warn Americans of the danger of traveling there.

95.   Authorities blame such attacks on Islamic extremists fighting to topple the government.

96.   Authorities blame the bloodshed on Islamic insurgents trying to topple the military-backed regime.

97.   Authorities blame the bloodshed on the Islamic militants, who want to topple the military-backed regime and in turn create a state based on Muslim law.

98.   Authorities blame the decline of socialized medicine.

99.   Authorities blame the glut of stray dogs on late communist dictator Nicolae Ceausescu, who demolished tens of thousands of houses, forcing residents to move into cramped apartments.

100.   Authorities blamed a grassroots group called Put Order into the Disorder.