What aspect of fast food does Schlosser highlight as contributing to its global proliferation?

The choice highlighting vast marketing and branding strategies is correct because Eric Schlosser emphasizes how powerful and pervasive these strategies are in driving the global expansion of the fast-food industry. He illustrates that fast-food chains utilize sophisticated marketing techniques to create a strong brand identity, appealing visuals, and memorable slogans that resonate with consumers worldwide. This marketing is often tailored to specific demographics, enhancing its effectiveness across diverse cultures.

Through this extensive marketing reach, fast-food companies have managed to transform not only consumer preferences but also eating habits around the globe, making them a fixture in various countries regardless of local culinary traditions. The success of these brands is built not just on the food they offer but significantly on the way they present and promote that food, creating an almost ubiquitous presence in the market.