Which accurately describes how Portuguese exploration efforts affected native African civilizations?

Question

1. to find a northwest passage to Asia and bolster trade with China
2. to claim North America for Portugal and gain access to its natural resources
3. to conquer the Aztec and Incan Empires and claim their gold
4. to spread Christianity to new lands and convert indigenous peoples

Answer 1

If you eliminate the answer choices that have nothing to do with Africa, what’s left?

Answer 2

4 maybe?

Answer 3

Yes. All the others have to do with other continents.