The answer is going to be Propaganda :DD
The answer is neutral stimulus- the needle itself. In
classical conditioning, when used together with an unconditioned stimulus, the
neutral stimulus becomes a conditioned stimulus. Neutral stimuli become
associated with a psychologically significant event. A neutral stimulus is a
stimulus which initially produces no specific response other than focusing
attention.
Answer: The Printing press, airplane, automobile
Explanation:
The Modern Age is considered the age of science and technology because at this age there are many inventions that people are using now and that made our life easier.
Examples of science and technology inventions: The Printing press, Light bulb, Airplane, Computer, Vaccines, Telephone, Automobile, Camera, Refrigeration, Clock, and more.
There are also Vaccum, the Radar, Automatic washing machine, Email, Internet, Mobile phone.
Barter trade good for others goods