The Jewish extremist group Irgun and its 1940s campaign in Palestine, the Vietcong activities in South Vietnam from the late 1950s to the mid-1970s, and the Provisional IRA in Northern Ireland from...

The Jewish extremist group Irgun and its 1940s campaign in Palestine, the Vietcong activities in South Vietnam from the late 1950s to the mid-1970s, and the Provisional IRA in Northern Ireland from the late 1960s onward were all cited as valid terrorist campaigns.