Here are 2 categories from the 4-26-2019 Jeopardy! match.

The players got all the clues in 1930S SLANG, except the $600 one (*):

($200) There were a number of slang words for this weapon, including a convincer & a roscoe
($400) Pay off a debt with a $100 bill & you’ve parted with one of these letter-word hyphenations
*($600) The 1930s were a time of poverty, & dog soup meant a glass of this
($800) In the 1930s a canary referred to a female one of these– Mildred Bailey, perhaps
($1000) A convicted murderer might have to take the hotsquat, in this device

ANSWERS: show

The players got all the clues in OUT-OF-OFFICE E-MAILS

($400) From him in 1797: “Out of office as a third term wasn’t for me. Also have several dental appointments”
($800) From him, “Out of office after 48 years running the FBI; I will not be responding to your e-mail
($1200) In 1973 he was “Out of office as Vice President; available on (hopefully not in) cell”
($1600) He wrote, “Out of office as Louisiana governor; please add everymanaking@hpl.senate.gov to your contacts list”
($2000) From Cordell Hull, 1944: “Out of office as longest-serving Secretary of this; if you need assistance, contact Foggy Bottom”

ANSWERS show

There was also a triple stumper in SOCIAL STUDIES and it had an image of this man:

($2000) He’s a senator from Nebraska and the author of “Them: Why We Hate Each Other and How to Heal”

Today’s Daily Doubles and more information on Final Jeopardy! on Fikkle Fame’s full Daily Jeopardy! Recap