Answer: because the power of judicial review can declare that laws and actions of local state or national government are invalid if they are conflicted with the constitution.
Answer: Russian hackers sent phishing emails to a business firm to gain access to voter information.
Russian operatives stole documents from email servers in an effort to discredit their opponent.
Russian agents created social media accounts to spread negative information about their opponent.
Explanation:
let me know if it is right
Brown v. Board of Education
https://en.wikipedia.org/wiki/Brown_v._Board_of_Education