the united states produced more aircraft and ships than\ngermany\njapan\nitaly\nall the axis countries…

the united states produced more aircraft and ships than\ngermany\njapan\nitaly\nall the axis countries combined

the united states produced more aircraft and ships than\ngermany\njapan\nitaly\nall the axis countries combined

Answer

Brief Explanations:

During World War II, the United States had a massive industrial - capacity boost. Its industrial output in terms of aircraft and ships far exceeded that of individual Axis countries like Germany, Japan, and Italy, and even all the Axis countries combined.

Answer:

D. all the Axis countries combined