Based on the precise nature of shang dynasty calendars, what can you conclude about shang society? it made contact with several other advanced cultures. it relied on traders to seek new ideas. it had skilled astronomers. it had a king who was also the high priest.

b.   jim crow laws were enacted in northern states.

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.