. 50 POINTS EASY QUESTION

When Genghis Khan sent some of his men to form an alliance with the sultanate in Eastern Europe, the sultan had these men tortured and killed. Why would Genghis Khan be so determined to avenge the deaths of his envoys, or representatives?

1.He made a promise to those men's families that he would avenge their deaths.
2.He feared that the deaths of his official representatives made him look weak as a ruler.
3.He was so fond of killing that he welcomed any reason to start a war.
4.He cared deeply about his warriors and hated to see any of them hurt in any way.