What persuasive technique is in this sentence? : the collapse of skm recycling in victoria and the ban on imports of australian waste by china and indonesia have amplified the crisis, which has been building for years.

Read this excerpt from leah missbach day's foreword to wheels of change. bicycles have long played a role in my life. as a young woman, i rode one year-round before i had a car. but it was later in adulthood that the bicycle became more than a source of transportation for me. the bicycle actually began to truly shape the way i saw the world. what is the author's purpose for including this in the foreword?