Having transformed Glencore from a poorly understood commodities trader based in Baar into one of the world's largest resources companies through the spectacular $US60 billion float four years ago and the takeover of mining group Xstrata in 2013, the hard-nosed South African was lauded as a savvy deal maker.
Take context from the input text and decide on the accurate relationship between 'Glencore' and 'Baar' from the options provided.
Options: headquarters location, parent organization, operator, employer