How could serfs move up from the bottom of the social hierarchy? They could prove themselves in battle.
They had to serve as a serf for a certain number of years.
They had to be freed by their lord.
They could marry into a higher level of the hierarchy.

operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings

explanation:

omgggggg i go to k12 too : d

i would say it is the roman empire europe after the norman conquest.

the south did not want the federal laws to overrule the state laws.