Final answer:
Television is a valuable advertising tool for reaching millions of people, allowing for strategic targeting and broad exposure (option d), which is particularly significant in political campaign spending.
Step-by-step explanation:
Television acts as a good leverage tool for advertisers because it reaches millions of people across diverse demographics. With nearly every U.S. household owning a television, and with the significant amount of hours people spend watching TV, companies utilize this medium to promote their goods and services by targeting specific audience segments based on sophisticated viewer data.
Television advertising not only allows for a broad reach but also for strategic targeting, making it highly functional when trying to meet a market demographic where it lives. Although traditional TV advertising faces challenges with technological advancements like remote controls and recording devices, it remains a valuable tool in industries such as politics where campaign spending on TV ads is significant.