The significance of rebel with a cause, blackboard jungle, howl, and Elvis Presley in the 1950s is to"reinforce or dramatize the concerns of juvenile and delinquents occurrence among children under age 16."
During the 1950s, when the rock n roll style of music became popular, the parents were concerned that children who had more freedom and money tended to become juveniles and delinquents or lawbreakers.
Thus, during this period, many parents didn't want their children to listen to rock n roll music because of its perceived negative influence.
Hence, in this case, it is concluded that movies like a rebel with a cause, blackboard jungle, howl, and Elvis Presley in the 1950s promote rock n roll culture.
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C, Roaring twenties, due to US prosperity. They had just won a war and moods ran high, leading to excessive parties and consumption of alcohol. Ex. The Great Gatsby
The U.S. Congress, under the control of the Radical Republicans, passed the Military Reconstruction Act of 1867 on March 7, in spite of President Johnson's veto. This act sought to rebuild the governments of the southern states using the governments of the northern states as examples. It was also implemented to ensure that the civil rights of the free blacks in the South by requiring the states in the South to include the rights of free blacks in their constitutions!!:)
Answer: Northern mockingbird... hope tht helps
Explanation: