What is referred to by 'a discount on shamu'?

What is associated with: a disastrous economic program called the great leap forward was begun in this country in 1958? Based on the clue 'a disco anthem first i was afraid i was petrified', what is the answer? Based on the clue 'a discophile doesnt particularly like discos but d...', what is the answer? Based on the clue 'a discount is deducted from the price before purch...', what is the answer? What is referred to by 'a discriminating gumshoe'? Based on the clue 'a discussion process called north of falcon determ...', what is the answer? Based on the clue 'a disease caused by a lack of vitamin c without th...', what is the answer? Based on the clue 'a disease that breaks out in the netherlands seat ...', what is the answer?