Why did President Truman fire General MacArthur? 

On April 11, 1951, President Truman officially relieved Douglas MacArthur of his command. ... Truman felt that his decision was just because MacArthur had overstepped his authority, defied direct orders from his superior and interfered with Truman's hope of ending the Korean War quickly.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.