What was key to defending against invading forces in the Early Middle Ages?
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The Atlantic Charter-the joint declaration of the president of the United States of Roosevelt and the Prime Minister of Great Britain Churchill of August 14, 1941, signed on board the English battleship Prince of Wales "in the Bay of Argentia (O. Newfoundland).
The declaration proclaimed in it the sovereignty, territorial inviolability, security and economic cooperation of the countries, striving to achieve for all people "a higher standard of living, economic development and social Security and disarmament of aggressive countries.
