The large Palestinian population of refugees in the Middle East resulted in the Arab-Israeli War. It is a common fact that the Israeli's and the Palestinians are already rivals in their rich pasts. It was said that the incident is one of the primary causes of the war in which it happened during the 15th of May 1948 until early 1949.
I believe he left his mom because he could not make it with her
Okay, I have answered this question before, but I'm going to try and avoid giving you the same answer. So, at this time, we all know the very powerful person leading the Mongols at this time, was of course, no other than, Genghis Khan. He had sent an armada to invade Japan, but being in this time when they invaded, it was Typhoon Season in Japan, leaving the waters very unsafe to travel in. What made matters even worse were that the Japanese were actually very intelligent, and were lead by very intelligent Generals. But one of the main geographical factors that lead to the failure of their conquer was that Japan was an archipelago. Japan is the culmination of 4000+ islands, making it very hard for the Mongols to conquer the whole thing, so think of it this way; It would be like invading the Caribbean. The Caribbean consists of numerous islands, and it's likely to be the Mongols do not know the strength, or numbers of the people in each island, so each time he would invade, it's a risk.