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You prefer the wars at our door step? The communist/socialistic ideology was strong then and the front was large (Asia, South America, Central America and domestic). Evil will never be stopped but but it can be confronted. You are going to have a confrontation with the school bully, you can avoid it for a time, but it will come.
If we had not been in Korea and Viet Nam, the fight would have been later but much bigger and MORE devasting. The lesson was fresh in our leaders minds then. If only they had stopped Hitler earlier and taken a stronger stance against Stalin. I am thankful for leaders who will make tough decisions and also God's providence that I do live in a free nation.
With a name like Iwo Jima, you should know better