Translate the following English sentence to French:
"It is not possible to understand the strategy of the parties of the extreme right by looking only at their hatred of foreigners. Instead one must look at their overall social programme, their homophobic utterances, and their anti-cultural attitude."
On ne peut pas comprendre la stratégie des partis d'extrême-droite uniquement en regardant leur haine des étrangers, mais en regardant leur projet général dans la société, en regardant leurs discours homophobes, leur attitude contre la culture.