Which emperor's assassination set off the crisis of the third century

Alexander Severus

Explanation: The assassination of the Roman emperor Alexander Severus in 235 was the beginning of what was known as "The Crisis of the Third Century" which lasted 50 years. It was a period of political and economic pressure inside and outside the Roman empire. It finished with the ascent of Diocleciano in 284.

answer; i believe the correct answer is ( quakers);

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.