text: the World Health Organisation and in other international organizations, . a B the progress made by certain States on a region01 or bilateral basis towards the protection of the rights of migrant workers and members A/C.3/45/'1 English Page 24 of their families as well as the importance and usefulness of bilateral and multilateral agreements in this field, Realising the importance and extent of the migration phenomenon, which involves millions of people and affects a large number of States in the international community, Fware of the impact of the flows of migrant uorkers on States and people concerned, and desiring to establish norms which may contribute to harmonise the attitudes of States through the acceptance of basic principles concerning the treatment of migrant workers and members of their families, . . rderinq the situation of vulnerability in which migrant workers and members of their families frequently find themselves owing, among other things, to their absence from the State of origin and to the difficulties they may encounter arising from their presence in the State of employment, convinc& that the rights of migrant workers and members of their families have not been sufficiently recognised everywhere and therefore require appropriate international protection, accm the fact that migration is often the cause of serious problems for the members of the families of migrant workers as well as for the , workers themselves, in particular because of the scattering of the family, . . w that the human problem6 involved in migration are even more serious in the case of irregular migration and convinced therefore that appropriate action should be encouraged in order to prevent and eliminate clandestine movements and trafficking in migrant workers, while at the same time assuring the protection of their fundamental human rights, Q2n&&&q that workers who are non-documented or in an irregular situation 
analysis: This text appears to be focused on the rights and protection of migrant workers and their families, discussing the challenges they face, the importance of international agreements, and the need for appropriate international protection. The text also touches on the issue of irregular migration and trafficking. Given this focus on the human rights and social issues related to migration, it seems likely that the category would be related to employment, humanitarian aid and relief, or human rights.