In recent memory, you can ask the Czechs, the Slovaks, and the Georgians. Most recently, ask the Ukrainians. If you want to go back a little in history, ask the original inhabitants of Mecca, Medina, and just about any land on our planet. They are worthless pieces of paper.
The only solution to security of your own people, is to remain militarily strong. So strong, that no one will dare to mess with you. This applies to American citizens who are now at the mercy of their own government too. Once you become weakened, you can kiss your freedom goodbye.
Lastly, a word about Israel. With the most recent history lessons, they have to be nuts to depend on any agreement with their neighbors or the Arabs within their borders.
"The world belonged to men with guns." - Lucifer's Hammer by Larry Niven and Jerry Pournelle.
It has always been so, and will always remain so. Anyone telling you differently is lying to you, and perhaps, to themselves. Now ponder this, when you consider that politicians ask you to be unarmed and therefore defenseless. In contrast, they will keep their weapons and rule over you.
What does the United States of America mean to you?