How Did England Lead To The War Of The Roses

How did Hundreds War in France affect England eventually leading to the War of The Roses?
The War of The Roses was a series of conflicts between the two rivaling branches of the House Plantagenet, York and Lancaster. The Lancasters were the kings of England for many year and were generally friendly towards their cousins the Dukes of York. They shared the common ancestor Edward III both descending from his two younger sons the Duke of York and the Duke of Lancaster. The hostility between the houses began when Edward’s heir Edward of Woodstock (The Black Prince) died from dysentery while campaigning in France. Instead of passing the crown to one of his four surviving sons he passed it to the son of The Black Prince Richard (later Richard II). Skipping this whole generation resulted in years of hostility and violence. Richard II was deposed by his cousin Henry(later Henry IV) Duke of Lancaster. Establishing House Lancaster on the throne. However a dynastic dispute started decades

One of these nobles was Richard Duke of York a descendant of Edward III through his son Edmund.According to J.P Sommerville a history professor at the University of Wisconsin-Madison “ One of the reasons that Richard, Duke of York resented his exclusion from government was that it meant debts incurred by his family on the crown's behalf during the Hundred Years War were unlikely to be paid.’’ He felt that he should be allowed more power due to the fact that he was loyal to the crown even though they owed him a massive debt. He saw his exclusion from government as an insult from Henry’s wife Margaret of Anjou who manipulated the feeble-minded and gullible king. Margaret was infamous for the exclusion of anybody who she felt as a threat to her power. As a result of the alienation they sided with the Yorkist strengthening Richards