Production and use of the automobile profoundly changed America and became the backbone of the American economy for 50 years. Describe how the automobile changed life for Americans in the following areas: New home construction - Shipping and vacations- Employment -

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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.