 Complete the following phrase:  There are sharply divided opinions of Pounds leadership. His greatest achievement was his successful campaign against German U-boat activity and the winning of the Battle of the Atlantic. Winston Churchill, the civilian head of the Navy 193940 and of all the forces as Prime Minister 194045 worked with him closely on naval strategies; he was dubbed Churchills anchor. He blocked Churchills scheme of sending a battle fleet into the Baltic early in the war. However his judgment has been challenged regarding his micromanagement, the failed Norwegian Campaign in 1940, his dismissal of Admiral Dudley North in 1940, Japans sinking of the Repulse and the Prince of Wales by air attack off Malaya in late 1941, and the failure in July 1942 to disperse 