A group of Colorado high school freshmen were asked to plot an act of terrorism by a foreign government on American soil as part of a lesson on terrorism, TheDenverChannel.com reported.
More than 110 students at Pueblo County High School were given two minutes to come up with their history project, the Web site reported.
"To ask them to use their creative energies to come up with a plot for an act of terrorism is very ludicrous," said outraged parent Gini Fischer.
The school superintendent told the Web site students may have misinterpreted the assignment.
All of the assignments were collected from the students and destroyed, TheDenverChannel.com reported.