What lead to the writing of the declaration of independence?

British taxation on the colonies and their wish to avoid tyranny of the British king; independence seemed like the best option because the colonies were unable to come to an agreement with the king.

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.