The union tried hard to prevent the confederacy from establishing what?

answer; /// slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final

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.