Jacob riis’s how the other half lives shocked the american public with its use of strong prose describing cases of lynching. vivid descriptions of slaughterhouse conditions. sensational and untruthful claims of corruption. powerful photographs depicting conditions in city slums.

The correct answer is option D. Jacob Riis's "How the Other Half Lives" shocked the American public with its powerful photographs depicting conditions in city slums. "How the Other Half Lives": Studies among the tenements of New York", was a photojournalism work published in 1890 and created by danish-american journalist and photographer Jacob Riis. It documented the precarious living conditions of the slums of New York City, and it was used to create conscience around the upper classes and to make reforms in the housing system of the city.

Jacob Riis’s, "How the Other Half Lives" shocked the American public with its use of photographs depicting conditions in city slums.  

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.