First Nigerian to win olympic medal

Ajunwa went on to become the first West-African woman, as well as the first Nigerian, to win an Olympic gold medal in a track and field event when she emerged victorious in the women's long jump event at the 1996 Olympics in Atlanta, with a jump length of 7.12 meters.

Explanation:

i would say your answer is a)

sorry if im wrong

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.