All the following empires collapsed by 550 C. E. EXCEPT Text to speech A:A. the Han Empire.
B:B. the Gupta Empire.
C:C. the Roman Empire.
D:D. the Sassinian Empire.

What practical concern lay behind the promotion of longitudinally planned churches in 17th-century rome? a) allowing the circulation of pilgrimsb) interior lighting of the navec) support for the heavy domed) accommodating parishioners