okay my point is, They take one step onto US soil and first off they will be looking like a swiss Cheese. Second, How could they take over america? Not likely. They have no forward operating base. I am not saying I want this but how does one take over lets say...... phoenix?
How much food is grown within Arizona?
Can you feed 5.5 million people with it?
What if the rail and highways are blocked to the entire state?
In 1948, the three western sectors of West Berlin, had a civilian population of about 2,500,000 people.
Getting the idea yet?