You didn't provide possible answers, however, the sturm un drang movement centered on rejection of all things traditional, aesthetic, rational, related to the enlightenment period, or anything similar. They wanted to completely break themselves free from all tradition, so if anything fits the description then that is your answer.
African Americans had just risked their lives in the war and now demanded to not be treated like 2nd class citizens.
The answer might be organization<span> of the Petroleum Exporting Countries </span>