C sometimes the author and sometimes an invented character,
If the entire line is "And bettyandisbel come dancing / from hop-scotch and jump-rope and / it's / spring", then I believe that the mood EE Cummings creates here is happy excitement.
<span>"Whose stern impassioned stress" is part of a line from America the Beautiful. This means that the people who are being referred to are having to work hard, but they are passionate about completing the task even though the work they are doing is stressful and taxing. In context of the song, this line refers to the work the pilgrims had to do to achieve progress.</span>
Separate but equal was a legal doctrine in United States constitutional law according to which racial<span> segregation did not violate the Fourteenth Amendment to the United States Constitution, adopted in 1868, which guaranteed "equal protection" under the law to all citizens.</span>
Her visual aids do not fit the context of her argument.
But I'm not sure, this question lacks context.