North Africa traded gold while the west Africans traded salt, so they each benefited
The main reason why external criticism is so important when it comes to analyzing data is because as the handler of the data yourself, you can quickly develop a bias and "expect" a certain outcome, which might affect your analysis.
The purpose behind the creation of Women's Christian Temperance Union was the banning of liquor and protecting their homes from the effect of liquor. It was basically a social reforms program that was undertaken by the women of that time.The WCTU was officially declared in the year 1874. I hope the answer helps you.
