In much of africa, the traditional village layout consists of a or a pen for cattle, and the homes that surround it.

 In much of Africa, consist of a KRAAL, or a pen for cattle
Kraal is a form of native huts which are normally found in the village settings of Africa. Different material are usually used in making the huts and the huts are usually surrounded by fences.

2. x2 + 8x + 12 = 0 to prove: x = -6 or x = -2

Answer after wwii, communist countries in eastern europe formed the warsaw pack, a military alliance, and comecon, an economic alliance;