Which effect best completes the diagram?
a. with official support, christianity began to spread rapidly and flourish throughout the empire.
b. with offical support, christian armies began to retake territories previously lost to the muslims.
c. even with the emperor's support, christianity remained an insignificant religion until the end of the empire.
d. even with official support, the christian religion could not end the worship of pagan gods such as mithras.

the noble might have thought that the system was far because they had lot of things and riches and the serf would have thought that the feudal system was un fair because of the way they were treated.

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.