In bowling how did Dutch 200 get its name?

Answer 1

That is when you alternate spares and strikes in a game, winding up with a score of 200. For example, you throw a strike in the odd number frames (1, 3, 5, 7, 9) and get a spare in the even number frames (2, 4, 6, 8, 10). If on the last ball of the 10th frame you throw a strike you will end up with a 200 game.

Answer 2

Because Ronald Reagan was the first bowler to achieve this feat.