How did the position of some west african tribes change as a result of the atlantic slave trade

They increased their wealth and power by trading slaves to Europeans in exchange for weapons and other goods

Explanation:

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

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.