The FLN shifted terrorist activity to France proper. [fact]
But it was in the mother country that the F.L.N.—similarly to the I.R.A. in times of maximum stress in the 1970s—now concentrated its terrorist activities.
XREF: Parallels IRA strategy of shifting operations to the UK mainland during peak pressure in the 1970s.
Horne, Alistair, A Savage War of Peace- Alge…, loc. 969