The harnessing of electricity radically transformed American business since this meant that power from electricity could power lightbulbs, which were far more effective than candles and other sources, and that electricity could be used to power machines that increased efficiency.
Shona people has the largest population of indigenous people in zimbabwe that is composed of more than 9 million people. They have products such textiles, golds, and copper. Swahili groups situated near Swahili coast shows interest with the Shona's people goods that is why the Swahili people chose to trade with Shona people.
<span>B. During the period of Viking, Magyar, and Muslim invasions</span>
