Who is Lyndon B. Johnson

an American politician who served as the 36th president of the United States from 1963 to 1969,

Explanation:

i think it's a)sparta

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.