Which military action was a turning point for the allies in the pacific during ww2

The Japanese lost half their main carrier strength and hundreds of planes and experienced aircrew.

Delaware, pennsylvania, new jersey, georgia, connecticut, massachusetts bay, maryland, south carolina, new hampshire, virginia, new york, north carolina, and rhode island and providence plantations where the 13 original colonies

The coast of north america , basically yes newfoundland , i would say c , good luck