 Complete the following phrase:  In 1460, the last year of Lancastrian rule, John was appointed a justice of the peace, but this was insufficient to prevent him taking the Yorkists side, which, after the Battle of Wakefield on 30 December 1460, came under the control of the dead duke of Yorks son, Edward, Earl of March. John seems to have regarded himself from the age of eighteen as a potential force in English politics, and in the late 1450s seems to have deliberately avoided intimating support for either faction. However, by early 1461 Suffolk had come down firmly on Yorks side. He fought alongside Richard, Earl of Warwick, at the 