Which of the Following Accurately Describes the Toltecs of Mesoamerica

Which of the following accurately describes the Toltecs of Mesoamerica?

A) They were a distinct ethnic group that moved into Mesoamerica from North America around 1000 CE.
B) They rose to power rapidly because they filled the void left by the decline of the city of Teotihuacán.
C) They developed a distinct culture that was unusual that their cities and architecture were not borrowed from other Mesoamerican peoples.
D) They built a major agricultural empire without developing substantial trade.