what kind of foreign affairs does the the aforementioned country have?
It supported Indonesia's control of Western New Guinea.
Papua New Guinea
Papua New Guinea supported Indonesia's control of Western New Guinea: the focus of the Papua conflict where numerous human rights violations have reportedly been committed by the Indonesian security forces. 
where does the term no worries come from It is an Australian English expression. what does it mean? "Do not worry about that". what impact does it have? It has influenced a similar phrase used in the Tok Pisin language in Papua New Guinea. what are some of its uses? It can be used in the context of an apology.
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Papua New Guinea [SEP] Foreign policy
Papua New Guinea is a member of the Commonwealth of Nations, Pacific Community, Pacific Islands Forum, and the Melanesian Spearhead Group (MSG) of countries. It was accorded observer status within ASEAN in 1976, followed later by special observer status in 1981. It is also a member of APEC and an ACP country, associated with the European Union. Papua New Guinea supported Indonesia's control of Western New Guinea: the focus of the Papua conflict where numerous human rights violations have reportedly been committed by the Indonesian security forces. In September 2017, Papua New Guinea rejected the West Papuan Independence Petition in the UN General Assembly.