The Japanese shore was and is a lil bit treacherous for ships. it was believed by a Japanese goddess would disturb the waters so as to keep the mongols at bay, so i would say the victory was due to the mongols not being able to reach land therefore keeping the mongolian forces together and easily targetable<span />
Generally speaking, it was "new technologies" and "new inventions" that <span>imperial nations want to impose on their colonies, although of course this depends greatly on the imperial nation in question. </span>
Second Continental Congress
World War One, World War Two, Woodrow Wilson, Franklin D. ... focuses on the comparison of events that led to a similar situation in WWI and WWII that ... of Europe declared war against each other.
After the conquest, Rome got access to and control of some very important trade routes. This brought in a lot of business and in turn wealth to the people of Rome . This was what caused a new class of wealthy Romans to emerge.