Question

looking at past to present, what type of boundary caused africa & south america to get to their current positions?
convergent (collide; come together)
divergent (divorce; split apart)
transform (slide past each other)

Explanation:

Africa and South America were once part of the supercontinent Pangaea. They moved to their current positions as tectonic plates moved apart from each other, which is the defining action of a divergent boundary.

Answer:

Divergent (divorce; split apart)