What was different about the state of american industry at the beginning and end of world war ii?

The enhanced warships and aircrafts provided by the United States were crucial to ... Yet by the end of the war, the U.S. produced two-thirds of the weapons

the correct answer option is: weapons.

explanation:

tensions rose as the two opposing superpowers competed for 'weapons'.

referring to the cold war (1945-1991), the two superpowers, usa and ussr, experienced a phase of struggle and conflict with each other. these two superpowers considered each other as a threat to their survival and thus opted for policies to strengthen their positions.

the two superpowers never went to war with each other directly but competed for weapons to preserve their positions.