Why animals could be contributing to the desert encroaching on the Sahel?

the first forms of writing came from them in the form of pictographs around 3100 bc.

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.

stick up my a**

b europeans take corn to africa. corn becomes an important crop there.