Like the US became a pariah when it didn't adopt the Ottawa Treaty that banned anti-personnel mines? Or when it didn't ratify the treaty that established the In

Like the US became a pariah when it didn't adopt the Ottawa Treaty that banned anti-personnel mines? Or when it didn't ratify the treaty that established the International Criminal Court and later withdrew its signature? The EU has teeth, because EU law overrides domestic laws according to the member states themselves. The UN hasn't, because it's an organization of sovereign states. UN treaties are only as strong as the states choosing to enforce them.