Which would best explain why early communities in a region have little contact with other cultures?

a.
a river and its tributaries change course over time.

b.
people settle near a river where it empties into the sea.

c.
the natural features in an area include high mountains, large deserts, and oceans.

d.
a large river floods annually.

answer: wait what

explanation:

though africans landed with few possessions, they carried their cultures, skills, and spiritual worldviews into the americas. wherever african religions took root in the new world, africans and their descendants changed and adapted their belief systems to local circumstances and influences. individual circumstances created variations in the way people practiced their faiths, what they believed, and what significance it held for their lives.

explanation:

mark brainliest!