Sin defiles the land. Today, we are defiling the land by our sins. We don't seem to realize the gravity of the situation that we are in as a nation. Our sins are defiling this land that we live on and if we do not repent this land will vomit us out. We cannot continue to rebel against God and His moral law and survive as a people. Judgement will fall on us as it has on other nations that rebelled against God. The people of Canaan sinned against God and the land vomited them out. The same thing will happen to us if we do not change as a people.