Help me with this please

What archaeological evidence taught scholars about the culture of the mississippians? a. housing complexes built into the side of cliffs b. kayaks designed to hunt animals over long distances c. large earthen mounds built for religious purposes d. totem poles decorated with animal symbols i think the answer is c.

Why was the battle of gaugamela an important turning point in alexanders conquest of persian empire

All i need is an outline i need with getting started with a research paper. i need with an outline for history of slavery. i don’t know how i should start it end. i need with an outline.