Was the policy of appeasement justified?

There are two opinions that histories have, when dealing with this question. Some historians say that the appeasement wasn't justified and that Chamberlain was a weak person while of the other hand some say that Chamberlain didn't have any other chose. There are a number of reasons that support both of the sides. Appeasement was justified in a few ways, sympathy for Germany, the desire for peace, the threat of communism and the time to …

…Czechoslovakia to Hitler, where as, Czechoslovakia had a modern army and had a chance to resist Germany. As a conclusion there are a number of reasons that support both sides of the argument. But for my point of view, the appeasement was not justified. I believe this due to the fact that if Britain and France took a more severe action against Germany, there would have been a chance that world war two hadn't occurred.