Obsessions are
a) persistent, irrational fears of specific objects, activities, or situations.
b) feelings of jumpy anxiety.
c) periodic episodes of intense dread accompanied by frightening physical sensations
d) offensive and unwanted thoughts that persistently preoccupy a person.

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.

Thomas jefferson was alarmed by the fierce debate over warning americans about its threat to national unity. 1.) slavery 2.) the powers of congress 3.) the missouri compromise 4.) escaped slaves

Federal courts have jurisdiction when a case involves what?