It helped increase the population of the US
With print media, you can only type so much and use a limited amount of pictures, but with television, you can use footage and words.
He supported it by simply signing the paper of the Indian Removal Act, this was proposed in late February 1830.
No, developed countries aren't facing the challenge of hight birth rates, instead, they are facing problems like: corruption, bad policies, and lack of infrastructure along with conflict from other countries or within their own.
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.