Answer: In which story did all the humans turn to clay?
~ There's no such story that tells "all humans turn to clay". I suppose what you mean is a story that says "humans came from clay". The story of the latter actually came from mostly different versions of mythology, the Bible, and Quran.
In which story did a rainbow appear to tell humanity that no such flood would ever occur again?
~In the Bible's Genesis flood narrative, after creating a flood to wash away humanity's corruption, God put the rainbow in the sky as the sign of his promise that he would never again destroy the earth with flood (Genesis 9:13–17):
Explanation:
The “Fifty-four Forty” raises to a line of latitude, an
east-west running line marking a north-south border. This specific line was the
anticipated national boundary between the mounting United States’ Oregon territory
and Canada. During the 1844 presidential campaign, the Democratic Party declared
that the US could claim all land in the Oregon Country north to the 54-40 line
or parallel. The British disputed claims north of the 42nd parallel.
54-40 or fight turn out to be the slogan of the expansionists. Subsequent to the
election, Democratic Pres. James Polk finally led the US to decide to a concession
border at the 49th parallel where the northern boundary survives.
