What is significant about the sinkings of the RMS Lusitania and the William P. Frye? They strengthened the United States' opposition to joining the war.
They caused the United States to halt trade with the Allied Powers.
They increased tensions between the United States and Germany.
They led the United States to immediately declare war against Germany.

north atlantic treaty organization.

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.

on my last question

can you list the answers so i can answer the question