Chaebols in South Korea played a crucial role in economic development. Select ALL accurate statements about their relationship with the developmental state:多项选择题

Chaebols were selected by the state to be national champions in strategic industries

Chaebols operated independently of government direction

The close chaebol-state relationship eventually contributed to the 1997 financial crisis

Chaebols faced export performance requirements to maintain government support

Chaebol support was unconditional once selected