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Rh the Wye; but Offa's Dyke (Clawdd Offa) is probably the work of some earlier people whose history has been lost.It was only by incessant fighting that the enemy could be kept at bay.

Of all the kings who tried to defend his country against the enemies which now stood round it, the greatest is Rhodri, called Rhodri Mawr—"the Great." From 844 to 877, by battles on sea and land, he broke the spell of Danish and Saxon victories; and his might and wisdom enabled him to lead his country in those dark days. Like Alfred of Wessex, who lived at the same time and faced the same task, he stemmed the torrent of Danish invasion and beat the sea-rovers on their own element. Like Alfred, he left warlike children and grandchildren. One of the grandsons was Howel the Good, who put the laws of Wales down in a book.

Wales and England were now, both of them in their own way, trying to become one country. It was seen by many that strength and peace were better than division and war. In England, the Earls of Mercia and Wessex tried to rise into supreme power. In Wales Llywelyn ab Seisyll, victorious in many battles and wishing for peace, made the country rich and happy. Still, when