Depends what era you mean right now we're sort of at peace with them but we used to be in a war against them so it all depends on time.
The authority of the Roman king was called Emperor, it reflects his taking of the title Augustus or Caesar. Another title often used was imperator, originally a military honorific. Early Emperors often used the term princeps (first citizen). I'm pretty sure I gave the correct answer if you asked what was the term was for Roman King.
Answer:
China imports oil and natural gas because it cannot meet demands with its own supplies, and Taiwan imports wood products because many of its forests are protected lands.
Explanation:
Slave owners because it was accepted there. (i think its right)