Explain the ways participation in political campaings and elections in the united states chamged between 1815 and 1840

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.

they were all fought in the middle east during ww1