What circumstances could have caused the changes in the popular cultural expressions of the two decades?

The correct answer for this question is this one:
"The circumstances that could have caused the changes in the popular cultural expressions of the two decades includes (1) the new amendment that came up that inspires groups of people; (2) the new innovations and inventions that brought a big impact in the society and big change, thus making people have their own views and opinions.

Aproverbs i hope this

Asuffragette was a member of militant women's organisations in the early 20th century who, under the banner "votes for women", fought for the right to vote in public elections, known as women's suffrage.