Did americas attitude about slavery really change or did the abolitionists meraly have the upper hand to enact such changes

It didn't. People still disliked African-Americans in the south even after the abolishing and after the reconstruction. They just found new ways to be racist and exclude them from the society through things like segregation laws or jim crow laws or the black code or anything similar that was racist.

1920 census

the census was scheduled for january the 1st, as the government believed that more farmers would be in their homes by that time instead of april. the census did not ask about unemployment, the number of children, and how long was a couple married were not taken into consideration. individuals were considered as residents of the places they normally slept, not the places were they worked at or visited.

2010 census

the census was scheduled for april 1st, 2010. it was the shortest census in history: it only contained 10 questions related to name, age, gender, ethnicity, relationship, and whether the citizen owned a home or rented one. the government launched a website in order to provide the citizens with information regarding the census. there were also "teach census weeks" in schools nationwide.