For 50 points Why would an emperor have a betraying general killed on the polo playing field?

1.to make peace
2.to keep the general from following through with his plans
3.to make it look like an accident
4.to warn others, who might be following the general, not to do so

23. how does specialization among nations encourage interdependence? nations work together to share labor and resources to produce vital goods. nations sign treaties prohibiting taxes on imports. nations produce specific goods and then trade to obtain things they need. nations that are more developed agree to fund development in nations with limited industry.