- Magico-religious practices and healing: This is a direct correlate of shamanism, involving a shaman's performance of rituals, healings, and spirit communication.
- Community feast for ancestors: While present in many societies, this practice is not intrinsically linked to shamanism, though some shamanic traditions incorporate ancestor veneration.
- Nomadic pastoralism: This describes a lifestyle of herding and is unrelated to shamanism.
- Potlatch and redistribution: Potlatch, a system of gift-giving in specific indigenous cultures like those of the Pacific Northwest, is not a defining characteristic of shamanism.
Step 1: Understanding Shamanism.
Shamanism is a spiritual practice involving intermediaries (shamans) who bridge the human and spirit realms, frequently through therapeutic rituals, prognostication, and communion with spiritual entities.
Final Answer:
\[
\boxed{\text{The correct answer is (1) Magico-religious practices and healing.}}
\]