What is the process that assures that the colors of a linocut or other relief print will align perfectly?

Which three lines in this excerpt from susan glaspell’s “a jury of her peers” contribute to the story’s setting? when martha hale opened the storm-door and got a cut of the north wind, she ran back for her big woolen scarf. as she hurriedly wound that round her head her eye made a scandalized sweep of her kitchen. it was no ordinary thing that called her away—it was probably further from ordinary than anything that had ever happened in dickson county. but what her eye took in was that her kitchen was in no shape for leaving: her bread all ready for mixing, half the flour sifted and half unsifted.she hated to see things half done; but she had been at that when the team from town stopped to get mr. hale, and then the sheriff came running in to say his wife wished mrs. hale would come too—adding, with a grin, that he guessed she was getting scary and wanted another woman along. so she had dropped everything right where it was. "martha! " now came her husband's impatient voice. "don't keep folks waiting out here in the cold."