The silk road gave people new places to explore and new things to trade. The silk road boosted trade.
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Body systems are groups of organs and tissues that work together to perform important jobs for the body. Some organs may be part of more than one body system if they serve more than one function. ... Examples include the respiratory system, nervous system, and digestive system.
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During the Revolutionary War, Revere helped fortify Boston against a possible British attack. Frustrated by his defensive posting, he lobbied to be assigned to campaigns against the enemy\.-./©®¤