Final answer:
The "quality revolution" in the United States after the 1960s refers to an improvement in the quality of products and services produced in the country.
Step-by-step explanation:
The "quality revolution" that took place in the United States after the 1960s refers to a significant improvement in the quality of products and services produced in the country. During this time, there were advancements in manufacturing techniques and a greater emphasis on producing goods that met higher standards. This revolution was fueled by factors such as increased competition, consumer demand for better products, and advancements in technology.