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An empire is a system of government that conquers other nations and places them under its rule. It is led by an emperor. When a country begins a policy of annexing others, it is said
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The term "empirical" refers to something that is derived from an observation or experiment, such as evidence, instead of from an obscure idea.
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At its peak, the Roman Empire was covered about 1.3 million square miles. Its Northern reaches included today's Great Britain, as far East as today's Middle East ,and South to Northern
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Empirical research is research based on an observation. An experiment is conducted in order to test the validity of a theory or hypothesis.
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