People were looking for new forms of entertainment as mediums like the radio gained popularity :)
The answer is "intimacy vs. isolation".
Intimacy versus isolation refers to the 6th phase of Erik Erikson's hypothesis of psychosocial advancement. This stage happens amid youthful adulthood between the periods of roughly 19 and 40. Amid this period, the significant clash focuses on shaping private, cherishing associations with other individuals.
THe correct answer is a or b
Socialism is a socio-economic system in which property and the distribution of wealth are controlled by the community for the purpose of achieving social and economic equality.
The correct answer is c - socialism.
This is the only possible correct answer. All of the other ones don't come into question. Communism is similar, but has slight differences in that sense which prohibit it from being correct.
