Generally speaking, a key development that occurred globally during the classical era was "<span>D. The expansion of cultural exchange through regional trade", since this was a time of cultural and technological diffusion. </span>
China's first emperor was <span>Qin Shi Huang</span>
The state of Florida, in which the recount later occurred in.
Answer: the answer is A because it says "the most important" which is an opinionated statement
