Answer:
A secondary Source.
Explanation:
The history book is written by a person who heard of the history events. He/She was not Physically there.
Answer:
D.
Explanation:
Based on the scenario being described within the question it can be said that Duncan most likely found out that parental income is strongly correlated with academic achievement, especially in low-income families. Meaning the more education that the parents in a household possess the higher the overall family income would seem to be. This is mainly due to the parents having more labor opportunities.
Answer:
B,C,and D
Explanation:
I just answered it on edgenuity.
The first three of these postwar amendments accomplished the most radical and rapid social and political change in American history: the abolition of slavery (13th) and the granting of equal citizenship (14th) and voting rights (15th) to former slaves, all within a period of five years.