Well, there's no cartoon or letter, but many Northerners lost interest in reconstruction because their attempts to protect former slaves failed, and a lot of slaves ended up as sharecroppers, which wasn't really any different to slavery. Basically, the slaves were still uneducated, poor, in the South, and didn't have any more rights than before reconstruction because of black codes (Jim Crow laws) and sharecropping.
The third part of James k. Polk's war plan was to "1.) to capture Mexico city". This fell outside Polk's usually craving for manifest destiny, which up until then have only been an east-to-west route.
The Supreme Court decided that prayer in school was "<span>unconstitutional" </span>
The French Revolution was the first democratic revolution in Europe that actually gave birth to a stable democratic state. Foremost it is seen as the beginning of the democratization of Europe.