María Corina Machado arrived in Oslo, Norway, making her first public appearance after her daughter accepted the Nobel Peace Prize on her behalf.Her clandestine journey from Venezuela, which defied a travel ban and involved disguises and various modes of transport, received crucial support from the US government, with Machado crediting Donald Trump's actions for weakening the Venezuelan Government.Machado, who had been in hiding for 15 months, pledged to return to Venezuela to champion a democratic transition, despite the risks and warnings from the Venezuelan Government.