Instrumental in the allies victory in the pacific war against japan

The correct answer is: Strategic bombings

Explanation:

Strategic bombings (Air raids) were a military strategy of the Allies that was used against Japan during World War II. Strategic bombings destroyed more than 60 cities and prevented Japan’s counterattack.  

Thanks to this attack, Japanese government surrendered, after the bombs had destroyed their industry, cities, buildings, and human lives.

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.

payments were made after the 1940s.

in the 1980s, a commission held investigations and made recommendations.