Different technology (duh), different nations fighting, and the biggest is probably the fact that the crusades were fought by Christians because the holy land had been taken by the Islamic people. So, the crusades were based off of religion and the Christain’s trying to reclaim their land from the Islam’s.
All of the above. Because they are all the nations of Polynesia
Legal recourse is essential to prevent desperate people from resorting to violence when human rights are violated.
Because the War of 1812 was an attempt by the British to capture and control much of the American nation.
I hope this helps.
"<span>(2) United States entry into World War I" was a result of the other three, since all of the other three were issues that caused great alarm for the world, especially the US. </span>