The turning point was on the 7th December 1941. On the 7th of December the Japanese bombed the American fleet of ships at Pearl harbour in Hawaii. It was supposed to prevent the U.S fleet in the pacific from stopping the upcoming Japanese actions.
Around 200 U.S. aircraft were destroyed, almost 2,500 Americans were killed and around 1,300 wounded.
The Battle of Midway marked the turning point of the war in the pacific
Vicksburg
Midway
The Triangle Shirtwaist Fire
Battle of Midway
the sinking of four american ships
I.think it was because the French were winning .They captured many British ports.
Midway
The Battle of Midway marked the turning point of World War II in the Pacific. It also marked the end of major Japanese offensive operations as the initiative.
The Battle of Britain.
My guess would be the heat change and the polar ice caps melting.
The seizure and control of the Motoyama Plateau marked the turning point .