Of the provided statements, the true statement is that African architecture relies on available materials. There were many, many permanent structures in Africa prior to the 1400s; for example, Egyptians had been building permanent structures in the region for thousands of years. One example of that are the pyramids; however, pyramids can be found all over the world from Central Asia to Mesoamerica. The only true statement is the one quoted above.
The Mayans, Incans, and Aztecs were advanced in regards to agriculture and architecture
Yes. You might remember it differently. Or your judgment made you hear wrong and think something else.