As for the rivers, the colonists were aware you must have water to successfully maintain life whether it be human life or plant life, it is necessary. Also being close to water helped them in the workforce, like carrying out trade or fishing It was a "win win" for them.
The answer is the light bulb.
In Africa, a number of specialized occupations developed ,highly skilled metal smiths developed more effcient tool that increase agricultral produtivity. they also produce improved weapons ,which became important in the expansion of kingdoms.
True, Shaka was known for being strong but brutal.
Answer:
World War II began in Europe on September 1, 1939, when Germany invaded Poland.
Explanation: World War II or the Second World War, often abbreviated as WWII or WW2, was a global war that lasted from 1939 to 1945
