What do historians do when using the historical thinking skill of analyzing historical sources

a fixed amount of a commodity officially allowed

sonar maybe? ? i dont know the choices

the pogroms became known as kristallnacht, the "night of shattered glass," for the shattered glass from the store windows that littered the streets. the morning after the pogroms 30,000 german jewish men were arrested for the "crime" of being jewish and sent to concentration camps, where hundreds of them perished.