The result of the investiture controversy between pope gregory vii and emperor henry iv was

Who became a national hero when she refused to give up her bus seat to a white passenger in montgomery, alabama? a) rosa parks b) medger evers c) coretta scott king d) martin luther king jr.

Why learning about people and places around is important?

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.