How was roman emperor constantine i's adoption of christianity similar to charles martel's victory in the battle of tours? a. both events legalized christianity in areas where it had been illegal. b. both events were examples of christianity's unifying effects in europe.
c. both events were examples of christian victory over islamic forces. d. both events made christianity the official religion of a nation.

Here the only good choice is B.

Explanation:

Constantine´s decision to make Christianity the official religion of the empire was largely based on political considerations, enhancing the unity of the Roman Empire. Charles Martel´s victory at the head of combined Christian forces at the Battle of Poitiers (also Battle of Tours) in 732 stopped Islamic advance in Europe. The other options don´t make sense at all.

its B just took the quiz

Explanation:

the process is called revolution because it was a process of great economic-social transformations that began in england in the xviii century.

the industrial mode of production spread throughout much of the northern hemisphere throughout the xix and early xx centuries.

the effect of this revolution was the distance between the countries, with respect to economic and political power.   after all, not all industrialized at the same time, remaining in the condition of suppliers of raw materials and agricultural products to the industrialized countries.

these differences mark to this day the nations of the world that are divided between developed and developing countries. one way to measure whether a country is advanced is to assess how industrialized it is.

cutting down of the rainforest