According to our text, one of the factors that led to the increasing popularity of professional sports during the decade of the 1920's was
-The emergence of commercial broadcast radio as a popular form of entertainment
-sponsorship by the Prohibitionists in order to provide alternatives to the "Saloon Culture"
-The availability of Newspaper sports reporting
-All answers are correct

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

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.