Short answers, pulled from the story.
Kett's Rebellion was primarily caused by enclosure, which involved landlords fencing common land for private use. This practice left peasants with nowhere to graze their animals and forced tenants off farms to convert arable land into profitable sheep pasture.
Kett's Rebellion began at Wymondham on the 8th of July 1549 when rebels destroyed fences put up by wealthy landowners. The movement started as a protest against enclosure before Robert Kett agreed to lead the group back to Hethersett.
The rebels established their main camp at Mousehold on Friday the 12th of July 1549 after reaching Norwich. They set up headquarters in the ruins of St Michael's Chapel which became known as Kett's Castle while Mount Surrey held prisoners.
About 3,000 rebels are thought to have been killed at Dussindale during the final battle on the 27th of August 1549. Warwick's army lost some 250 men in this confrontation where thousands were routed against well-armed trained troops.
Robert Kett was captured at Swannington village the night after the battle and taken to the Tower of London awaiting trial for treason. He was hanged from walls of Norwich Castle on the 7th of December 1549 while his brother William was hanged from west tower of Wymondham Abbey on the same day.