Translate the following English sentence to French:
"We have attempted to besiege Iraq and to force the Iraqi people to change their government through the embargo and we have not succeeded, even though we have been trying for seven and a half years."
Nous avons tenté d' assiéger l' Irak et de contraindre le peuple irakien à changer ses dirigeants par l' embargo. Nous n' y sommes pas parvenus, même si nous essayons depuis sept ans et demi.