Final answer:
The hippie movement in the 1960s is the best example of a counterculture, advocating for peace, personal freedom, and an alternative lifestyle to the dominant cultural norms of the time. The correct option is B.
Step-by-step explanation:
The best example of a counterculture among the given options is B. Hippie movement in the 1960s. Counterculture refers to a lifestyle and set of attitudes that are distinctly different from the prevailing social norm.
In the 1960s, the hippie movement emerged as a direct response to the conservatism of the time, promoting peace, love, and personal freedom, and was characterized by anti-war protests, communal living, experimentation with drugs, and a departure from traditional values.
In contrast to options A, C, and D, the hippie movement's radical opposition to mainstream society's values and norms qualifies it as a counterculture.
Mainstream fashion trends, technological advancements, and political party conventions do not typically represent a counterculture because they either conform to or are part of the existing dominant culture.
Instead, the hippie movement sought to overturn these norms and create an alternative lifestyle, thus qualifying as counterculture. The correct option is B.