I think the correct answer from the choices listed above is the first place. The important<span> skill that gave Africa's Bantu-speaking people an advantage over the nomadic hunter-gatherers they displaced would be ironworking. Hope this answers the question.</span>
Neil Armstrong was the first person to step on the moon
The PPC (or PPF, same thing) shows economic growth because it outlines exactly what the economy can produce at that moment. When it shifts outward in any way (be it towards consumer and capital goods, or X and Y), that MUST be because of economic growth.
Christopher Columbus In 1493, on his second voyage to the Americas, Spanish horses, representing E. caballus were brought back to North America