I believe the answer would be all of the above.
Reserved powers are the powers that are not explicitly stated in a governing document but are implied powers because of other powers which are granted to the government. The creation of an education system or state identification systems are examples of reserved powers.
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.
They hoped to gain wealth and land
Neutrality, but after considering that the affairs that happened in Europe and it would eventually impact the state of our country, Woodrow Wilson decided to join forces and help the allies.