World war 2 was the most deadliest in history.It was fought on island  in air and in the water.It all started when Hitler started taking over Poland and killing thousands even millions of people just for believing in a  different religion.

Inventions help change the world  into what it is now.One of the invention that helped change us change was the telephone.The  telephone helped us reach family members friends and  and your boss at work.Later on the telephone evolved in ti a home phone then cell phone and each time the they evolved it did more, help find bad people and help mom around the world find there children  jut have a tracking chip.