Which european power conquered the aztec empire in the sixteenth century?
o a. the british
ob. the portuguese
o c. the spanish
od. the french
e. the dutch

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.