Final answer:
The mayor of Curitiba's 1972 urban planning initiative to convert a main avenue into a pedestrian space faced initial business resistance but ultimately succeeded, becoming a vibrant city area.
Step-by-step explanation:
The strategy adopted by the mayor of Curitiba in 1972 to transform one of the main downtown avenues into a pedestrian-only street is a classic example of innovative urban planning. Initially, there was resistance from local businesses, but the concept eventually became popular, turning the area into a bustling hub of activity. This approach has been considered a success, illustrating the potential positive impact of urban design on city life and commercial activity.