An automobile motor may seem simple but actually is not. It is basically a crankshaft that drives pistons which transfer power to the wheels. But there are many processes involved like the timing of the spark from the spark plug that must be right on to ensure smooth firing of the cylinders, the right mixture of gas and air supplied by the carburetor, and the correct functioning of the fuel pump to supply fuel to the cylinders for example.
The purpose of alliteration in this sentence is to make the 'slogan' stick in people's minds. This person is trying to make coin collecting sound like a fun activity that people will want to do, and using alliteration like this will have them easily remember the slogan long after they've read it.
Answer:
The section of a story that leads toward its climax.
Explanation: