Misc: what brand of car was the time machine in "back to the future'?

Questions

at the turn of the last millennium, dublin ireland had the largest ---------- market in the world, run by the vikings?

at the turn of the last millennium, dublin ireland had the largest slave market in the world, run by the----------?

---------- emperor montezuma had a nephew, cuitlahac, whose name meant plenty of excrement?

aztec emperor ---------- had a nephew, cuitlahac, whose name meant plenty of excrement?

aztec emperor montezuma had a nephew, ---------- , whose name meant plenty of excrement?