Which supreme court case found the use of grandfather clauses unconstitutional?
o a.
plessy v. ferguson
b.
guinn v. united states
c.
dred scott v. sandford
d. gitlow v. new york

A.

Explanation:

In the case, there was a lot of discrimination in the clauses that the grandfather originally put forward.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

i believe that the correct answer is a canadian hero.

explanation: he is celebrated as a national hero in canada for successfully thwarting a united states takeover of canada during the war of 1812.