In 1919, the psychologist john watson reported using a loud clanging sound as – stimulus to instill in a child named albert a phobia of white rats and other white things. shortly thereafter, a colleague of watson’s, –, used a child’s favorite food as a stimulus to eliminate the child’s fear of rabbits, a method of treating phobias called –. more recently, the behavioral therapist – used this technique to develop a formal treatment called –

Conditioning of the fear reaction.

Explanation: Conditioning of the fear reaction, A technique consisting of the generation of physiological and behavioral responses, through the implementation of stimuli or emotional provocation of fear in order to detect possible threats present in an environment that cannot be recognized with the naked eye.

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.