A group of 28 nations in North America
and Europe formed to keep peace
and defend all members in times of war.

The North Atlantic Treaty Organization (NATO) is an alliance of 28 countries that border the North Atlantic Ocean. The Alliance includes the United States, most European Union members, Canada, and Turkey.

Explanation:

the answer is title i subtitle b

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.