When a <span>historian compares transcripts of speeches delivered by powerful leaders throughout world history, these would serve as "primary source documents," since they provide and "unaltered" insight into the past. </span>
ANSWER: Opportunity Cost is the cost of losing the next best alternative compared to the option that has been chosen. There can be numerous situations of opportunity cost. A situation which is simple yet best is as follows:
David is a doctor who charges $20 from his patients for regular checkup. He knows that weekend evening will be full of patients and he won't have time to rest. There are an average of 15 patients every weekends. So by the simple calculation, David will be earning $300 on a single weekend evening. But due to popular rock concert being organized in the city on a weekend evening, David decides to skip the day and visit the rock concert. The ticket price for the rock concert was $50. So,the opportunity cost for David was $350 because not only David lost the chances of his earning that evening but he also spent $50 on the tickets of the rock concert.
Answer:
A location among Indian coast trade routes ( A )
Explanation:
East African cities like Kilwa and Mombasa enjoyed and benefited from the Indian coast trade routes where they were able to carry out trades with east Asia especially China successfully.
The Indian ocean coast trade routes connected southeast Asia , Arabia and India. the goods the east African cities traded and benefited immensely from were: slaves , Ivory, Gold, Ivory, leopard skin and tortoise shells, but most of the trades were on slaves been sold from East Africa along the trading route .
other regions connected via the trading route traded on goods like ceramics wine gold and ivory.
The answer is Publick Occurences
