Which of the following would not be considered a geographic impact on the history of middle and south america

How does the brandt line, walt rostow's modernization model, neocolonialism, and walterstein's world systems theory inform and intersect with each other when explaining economic development?

The capital of australia was located a. on a south-facing harbor d. between its two largest cities g. near the great barrier reef j. close to asia

If scientists only detect p waves in a certain layer of earths interior what does that tell us?