How did the united states and the soviet union become cold war

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.

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.