Answer:
In their attempt to spread christianity in the area, win converts and transform African societies, Christian missions of all denominations opened schools and disseminated education. Scientifically very important was their pioneer work in African languages.
Egyptians because they were royalty and super super smart
Yea, I don't see any options
The great depression, also known as the 1929 stock market drop was caused by nine thousand banks failing. The stock market dropped. It's in the name.