How did technology change the way world war 2 was fought

The British were the first to employ radar and it helped them to fight off the Germans in the Battle of Britain. Aircraft Carrier - One of the biggest changes in naval technology in World War II was the use of the aircraft carrier. Aircraft carriers became the most important ships in the navy.

this means that germany had to pay the allied countries. reparations are/is essentially payment for something that they have done wrong, so after ww1, germany was forced to pay reparations so they could replenish the allied countries resources' that they had lost during the war.