Increased economic prosperity made leisure time and entertainment activities like going to the movie theater a more common activity for middle class people in the 1920s.
Explanation:
Hollywood films gained in popularity in the 1920s because there was increased financial prosperity during the 1920s. Now the middle class also had more disposable income to spend on leisure activities and entertainment. Technologies were also advancing and so there were more consumer goods available with better film-making techniques like adding sound to motion pictures.
During the 1920s, movies became increasingly popular. Stars of the cinema were beginning to emerge like Charlie Chaplin and Gloria Swanson.
Negative reinforcement refers to the type of reinforcement a form of reinforcement that make a subject become uncomfortable to the point where the subject would do some efforts to avoid or eliminate the negative reinforcement (just like the horrendous ding sound)
Andrew Jackson was a major proponent of states' rights, and viewed the central banking system a taking advantage of the smaller states. This view was shared by many at the time.
<em>Biostratigraphy </em>is the method that is used to provide an estimate of age for this layer and this species. Biostratigraphy is a branch of stratigraphy. It focuses on assigning relative ages to rocks to similar stratigraphic layers that may be located hundreds of kilometers away by using the fossils contained in the stratus.
