No, they promised to respect it. That's a very significant difference.
Nothing in that document obliges the US or UK to intervene. It obliges them to go to the Security Council (done; Russia vetoed). They've gone beyond their obligations by providing arms and sanctions.
Nothing in that document obliges the US or UK to intervene. It obliges them to go to the Security Council (done; Russia vetoed). They've gone beyond their obligations by providing arms and sanctions.