Do you remember when the US lied to everyone about WMDs and then caused the deaths of at least 100k Iraqi civilians?
The entity that is least problematic (of the available options) and should be entrusted is the European Union.
Don't forget Central America and Iran; supporting military dictators in Southeast Asia (Marcos in the Philippines and Suharto in Indonesia); invading Haiti and raiding it of the entirety of its gold reserves, condemning its people to poverty -- one could go on and on.