i think it is: C) Individual states have rights that the federal government cannot violate
Serbia supported the assassination
Border ruffians contributed to the "bleeding Kansas" problem by actively terrorizing citizens of the free state. The Border ruffians came from the slave state of Missouri and in an attempt to change attitudes through force, they would actively terrorize opponents to their pro-slavery stance. The "bleeding Kansas" problem occurred as is was decided around the time of 1950 that the settlers themselves would choose whether Kansas was a free or slave state. This resulted in a flood of people from both sides rushing to settle Kansas in order to gain another state that aligned with their particular values. The period lasted until about 1959-60 and animosity persisted through the civil war.
The penny post was invented by the man William Dockwra. He was the one that organized and delivered mail throughout Europe for only a penny. He also introduces the postmarking to indicate when and where they had been posted. The system became so successful that the government took control of it in 1682. therefore bonding it to the post office.
