The wealth of East African city-states was based on Trade.
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Answer:
Suzy’s ability to retrieve what Jacques said is due to her echoic memory.
Explanation:
Echoic memory is a type of super-short-term memory that stores sounds for about 4 seconds only. That can happen even if we are not paying attention to the sounds, such as is the case with Suzy. For the information received to be processed and given meaning to, it moves from the echoic memory to the short-term memory. Echoic memory is also called auditory sensory memory.
It was believed that even numbers are unlucky.
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Explanation: </u>
It is an old superstitious belief that even numbers are unlucky. In respect of the same superstition, a gun salute is set off odd numbers.
It is a gesture of bestowing great honor on a significant individual. Since long back in history, symbolism has been denoted to every numerical known. Hence, firing a gun for a certain of an odd number of times symbolizes varied kinds of respect in every country.
Some countries fire shots 21 times because number seven is sacred and lucky. Hence 
Answer:
Explanation:
Colorism is the practice of favoring lighter skin over darker skin. The preference for lighter skin can be seen within any racial or ethnic background.