Amphetamine which is a potential nervous system stimulant is often considered to be the speed drug.It is said that hitler is a pure vegetarian because of this he had hesitation to kill animals and he could not bear the pain of killing animals.but this drug made him to kill not only animals but also human beings.during the second world war germany’s opponents were more powerfull than germany.so he thought of a shortcut to get rid of his opponents.he made his soldiers compulsory to take this speed drug everyday so that they can work without sleep ,pain or any kind of happiness.35 million pills were distributed.This drug gives activeness and concentration.They will get satisfied only by killing peoples.intake of drugs with a mindset of killing people made them aggressive and powerful so that his soldiers won many victories at first.Later the people were aware of the drugs and asked nazicist to ban it.Due to the request of the germans ,hitler banned it.After insufficient supply of drugs,soldiers who were addicted to drugs could not resist that.Later the allies stopped the distribution of drugs in germany completely.soon hitlers forces had been defeated .As soon as hitler got to know secret operation of allies and due to ban of drug he could not be able to survive and hitler commited suicide .It is said that this meth is easily available ,it can be made even in chemistry lab. This drug is more effective and could even make a man mad.It is said that drug is still used in many medicines in limited dose.