The term 'Wars of the Roses' refers to a series of civil wars fought in England between the House of Lancaster and the House of York from 1455 to 1487. The term is derived from the badges associated with the two royal houses, the red rose of Lancaster and the white rose of York. The wars were fought over control of the English throne and ended with the victory of the House of Tudor, which united the two houses. The three-letter solution for this term is WAR, while the four-letter solution is WARS.