The terms "terrorist" and "terrorism" originated during the French Revolution of the late 18th century.

The terms "terrorist" and "terrorism" originated during the 2^nd World War.

The terms "terrorist" and "terrorism" originated at the French Revolution of late 18th century.

The terms "terrorist" and "terrorism" gained less popularity during the U.S. Presidency of Ronald Reagan (1982–87).

The terms "terrorist" and "terrorism" gained mainstream popularity during the U.S. Presidency of George Bush (1981–89).

The terms "terrorist" and "terrorism" gained mainstream popularity during the U.S. Presidency of Ronald Reagan (1981–89).

There is a universal agreement that "terrorism” is a war crime.

There is no universal agreement as to whether or not "terrorism" is a war crime.

There is a universal agreement that "terrorism” is not a war crime..

The Sicarii were a first-century Mexican group who murdered enemies and collaborators in their campaign to oust their Roman rulers from Judea.

The Sicarii were a first-century Jewish group who murdered enemies and collaborators in their campaign to oust their Roman rulers from Judea.

The Hashhashin were a first-century Jewish group who murdered enemies and collaborators in their campaign to oust their Roman rulers from Judea.

The Hashhashin were a secretive Islamic sect active in Iran and Syria from the 11th to the 13th century.

The Sicarii were a secretive Islamic sect active in Iran and Syria from the 11th to the 13th century.

The Hashhashin were a secretive Jewish sect active in Iran and Syria from the 11th to the 13th century.