What can be concluded from the union's desire to blockade ports in the south? a. the union navy was large and effective b. southern port cities were also industrial centers. c. foreign nations were willing trade partners with the confederacy. d. no foreign nations were willing to assist the confederacy.

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.

i think they should to be honest

explanation: