- Magico-religious practices and healing: This is directly associated with shamanism, where a shaman (spiritual healer) performs rituals, healings, and communicates with spirits.
- Community feast for ancestors: This practice is found in many societies but is not specifically tied to shamanism, although some shamanic practices may include ancestor worship.
- Nomadic pastoralism: This refers to a form of herding or pastoral living, not related to shamanism.
- Potlatch and redistribution: Potlatch is a form of gift-giving associated with certain indigenous cultures, particularly in the Pacific Northwest, but it is not a defining feature of shamanism.
Step 1: Understanding Shamanism.
Shamanism is a religious practice where individuals (shamans) mediate between the human world and the spirit world, often through healing rituals, divination, and communicating with spirits or deities.
Final Answer:
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\boxed{\text{The correct answer is (1) Magico-religious practices and healing.}}
\]