2. Who are the ultimate "deciders" of what's Constitutional? In other words, who has the last word on whether laws follow the Constitution?

The Supreme Court and the justices therein are the "deciders" of whether or not a law is constitutional. They define and convey the meaning of the U.S. Constitution.

Explanation:

Of the three branches, executive, legislative, and judicial, the Supreme Court is the top of the Judicial branch and the job given to them is understanding the Constitution.

c 3 branches because idk why they had 3 well when:

you think of it there are still contrys with 3

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion