Supreme court rulings are often taken as word of law. which of these events is an example of a supreme court ruling overruling an existing law? question 9 options: brown vs. board of education topeka, ks 13th amendment roe vs wade all of the above

idk

explanation:

porter is writing economic history because he is focusing on the cost of developing vaccines.

on the whole, dickens has shown the french revolution and its this site might you. good at his job, and the subject matter he chose, 

the graph shows the spread of railways in the 1800s.

based on the graph, the conclusion that can be drawn about germany is answer d)   by 1880, germany had more rail lines than great britain and russia.