From around the 1920s to the 1990s archaeologists believe that ancient Americans migrated from Asia to America via what is known as the

i believe your answer is d)

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.

an earnest tone.

because portia wants to know why brutus has been acting strange lately.

i don't think it's c or d. i think it's either a or b.

hope this .