Answer:
The right answer is a. The rise of youth culture in the 1950s.
Step-by-step explanation:
The New Left was a wide range of activist and intellectual movements in Europe and in the U.S that were born and developed in the 1950s-1960s. They obeyed to libertarian and democratic impulses, asked for cultural transformation; there was an extension of the traditional focus on class struggle to new forms of opression in terms of race and gender. These are some of their features.