Answer: Producers or Autotrophs
Explanation: They make up the first level of every food chain, they're usually plants or one celled organisms
Confucianism used the Chinese silk trade to spread and Buddhism used the Indian spice trade to spread, include things such as the silk road in your written answer.
Socrates. You think your teacher is tough when he or she asks a question? Socrates almost never gave a straight answer. A question was always followed by another question. He's fun to read about, but I'll bet his students didn't always like it.