She should have thrown money and equipment at the problem like the US does. That works most of the time. When it doesn't, let French diplomacy handle it. Or even better, just do both at the same time. Italy and Greece, just take this money and patrol ships and do coastal patrol. Hungary, just take this money and build a barbed wire fence, if you think it works. Border states were guarding the Schengen Area dreamland. Instead they paid Turkey tribute to allow it to blackmail and took the migrants in, assingned quotas which made everyone unhappy about it.