New research reveals the most popular fast-food chain in every state across America and some firm favorites are surprisingly absent. Fast food is often viewed as the lifeblood of America and preferences vary dramatically across the country, with the most popular restaurant chains across the country giving us a fascinating insight into local tastes, traditions, and regional loyalty. Research reveals most popular fast-food chains in AmericaMarket research company HubScore has recently published a rating of the most popular fast-food chains across America, ranking the favorite restaurants in 48 s…