Samsung ... (not / evolve) into a tech giant if it ... (not / start) as a grocery store in the 1930s., wouldn't have evolved/hadn't started, If McDonald's ... (not / introduce) the drive-thru window during the 1975 military base protest, it ... (miss) a major business opportunity., hadn't introduced/would have missed, YouTube ... (not / turn) into the world's biggest video-sharing platform if it ... (not start) as a dating site., wouldn't have turned/hadn't started, If Red Bull's founder Dietrich Mateschitz ... (not / discover) a Thai energy drink during a business trip, the global energy drink market ... (not / be) revolutionised., hadn't discovered/wouldn't have been, If Dyson ... (not / invest) in over 5,000 failed prototypes, it ... (not / develop) its first bagless vacuum cleaner., hadn't invested/wouldn't have developed.

Task 5a

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