Ironworking was an important development in african history, because it enabled africans to live in places they could not before, allowed them to grow crops in new areas, and ultimately led to population growth.

True

Explanation:

It is true that iron working greatly changed the cultural context of Africa. However, the impact was different depending on the region we are talking about. Iron was particularly important in farming, as the use of iron tools made  farming much more efficient and possible on a larger scale. Iron was also used in items such as fishing hooks, arrow heads and spears. All of these allowed food to increase and ultimately led to population growth.

i am sure the answer is d

ba geologist finds four sedimentary rock she determines that no geologic events have shifted the layers she labeles them a,b,c,dbfrom top to bottom