Why was it that technological advancements made in Africa were not enough to propel Africa's economy upwards?

2/6 of be by to 2/6 is to 24/72 ?

Which of these are abrahamic faiths check all that apply a.judaism b.roman catholicism c.islam d.buddhism

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory