The correct answer to this open question is the following.
Although you did not clarify what kind of temples among the many ancient temples you are referring to, we can say the following.
The main purpose of the archaeologists who first investigated the old temples, in general, was to dig in deeply to know the purpose of the temples, why the temples were built in the first place, what was his main use, how ancient people built temples with the lack of proper technology or tools, and how these old temples had endured the test of time.
Even to this modern-days, scientists and archeologists do not have a true and definitive statement about pyramids, temples, ziggurats, and other ancient temples and sites, it is just theories.
And regarding your second question, the plural of the word sarcophagus is sarcophagi.
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He called on his disciples, attracted many followers, and taught people how to live a meaningful life.
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When someone answers Brainliest answer comes below you tap it and it will come lol
The purpose of the Marshall Plan was to aid in the economic recovery of nations after WWII and to reduce the influence of Communist parties within them.
I apologize if this is not what you meant.
"C. The need for free and compulsory education decreased" is incorrect. Even though the industrial revolution was going on people still needed free education.