These people allegedly carried portable meals made of crystallized sugar known as “thirst balls” to combat dehydration. A possibly fictional one of these people amputated his ankle after being caught in a bear trap and led the “Ten Braves.” These people invented a method of communication using rice grains dyed five different colors. These people learned how to create explosions as diversions as part of their “fire techniques.” (10[1])These people formed the armies of the Iga–Kōka alliance. A manual on the Legends of [these people’s] Secrets was written by a man who led a military unit of these people, Hattori Hanzō. These people (10[1])used iron caltrops called makibishi, which could be thrown similar to their shuriken. For 10 points, name these Japanese assassins often depicted in all-black. ■END■