Answer:
Trees have knots in wood and thia makes it harder to cut and I know this because I know someone who cuts wood. Water is necessary for humans and I know this because I feel much less thirsty when I drink it when I am thirsty.
The gold mines of West Africa provided great wealth and power to West African Empires such as Ghana, Mali, & Songhai empire. The king of Ghana started trading back in the 8th century.
The fifth alternative is correct (E).
The US has troops to patrol the demilitarized zone between South Korea and the North. According to Reuters news agency, the American military contingent in South Coere is about 28500 military personnel, who play a mediating role in military confrontations not only between the Koreas, but among the countries in the region, such as China and Japan. In this context, the US military position in Seoul is strategic and must remain even if the Koreas sign a peace treaty.
I know why we have cabinets today is to have advisors who are experts in their fields assisting him so I would say it was the same back then. Hope that helps!
