This is a type of poetry, which originated in Japan, called a Haiku.
Answer:
interviews with local realtors about the changes to neighborhoods near Denise’s school
a research article with data showing changes in the student population at Denise’s school
Explanation:
According to the given question, Denise is researching the impact of gentrification, an increase in middle-class and affluent homeowners, on the population of her high school.
Therefore, the TWO sources that would be most useful to her research are interviews with local realtors about the changes to neighborhoods near Denise’s school & a research article with data showing changes in the student population at Denise’s school.
This is because, to correctly find out the impact of gentrification and why there are more wealthy families in Denise's high school, she needs to consult these sources.
Philosophers began to make people think for themselves.
Also they gave more books to the society.
Along with new types of governments and accurate history