During World War II, Germany gave up its plans to invade Great Britain because germany failed to destroy the British air force. Hitler had made up plans to invade Great Britain by using his own airforce. This operation was named operation Sea Lion. Hitler sent most of his fighter and bomber planes to attach Britain. The RAF responded to this attack with equal ferocity. A violent dog fight ensued and ultimately resulted in German defeat. This broke the plans of Hitler of capturing Great Britain. Ultimately he gave up the plans and never ever tried to invade Britain again.
The Dust Bowl was a period of severe dust storms that greatly damaged the ecology and agriculture of the American and Canadian prairies during the 1930s; severe drought and a failure to apply dryland farming methods to prevent the aeolian processes (wind erosion) caused the phenomenon.
Hydrogen atoms fuse to produce helium. This process is called nuclear fusion.