During world war ii, which battle was the first significant us victory in the pacific?

Battle of Midway

During World War II, it was the "Battle of Midway" that was the first significant US victory in the Pacific, since the US was able to inflict heavy losses on the Japanese fleet.

It was the Battle of Midway (June 4-7 1942), in which was an American decisive victory against the Japanese Navy. Americans lost one aircraft carrier, one destroyer and 150 planes. Japan lost 4 aircraft carriers, 1 heavy cruiser and 248 planes. American casualties were 307 and Japanese casualties were 3057. Japan never recovered from its loses and after Midway the Americans started getting the upper hand in the Pacific War.

the main reason that the constitution did not proclaim all men to be free and equal is because of the issue of slavery.