 Complete the following phrase:  Zombie Squad has members all over North America and members in countries all over the world, including the United States, Canada, UK and South America among others. The success may be due in part to the synergy between two phenomena that have emerged in the new millennium: A resurgence of zombies in pop culture, with hit video games the Resident Evil franchise, Dead Rising series, Left 4 Dead, Stubbs the Zombie, House of the Dead series, etc., literature , The Walking Dead franchise, World War Z, The Zombie Survival Guide and films 28 Days Later, the Resident Evil series, the Dawn of the Dead remake, Shaun of the Dead, Land of the Dead, Zombieland, etc. combined with a renewed interest in disaster preparedness in the wake of natural disasters 2004 Tsunami in Indonesia, Hurricane Katrina and high-profile terrorist attacks failed millennium plots, a href911911a, a href200420Madrid20train20bombings311a, and the 