A grid system to disperse land equally.
Before telephones were created in 1876, men and women would send letter to communicate. Another way was in person. Only big companies could telegraph machine which they communicated trhough Morse Code.
Generally, classical conditioning is involuntary; operant conditioning is voluntary. Classical conditioning denotes the way new responses are learned. Operant conditioning is learning through voluntary behavior and its subsequent consequences. It shows that reinforcement increases behavioral tendencies, whereas punishment decreases them.
Answer:
The Declaration of Independence
