"were poured in"
"Nice" use of the passive form. Do you think there weren't any weapons before? Or that advisors were needed to start an insurrection?
Google "1982 Hama massacre" le "Alois Brunner".
Google "1982 Hama massacre" le "Alois Brunner".
You can look at reports of weapons seizures along the Iraq/Syria border in the lead up to the conflict.