Appalachian<span> highlands, and Rocky </span><span>Mountains</span>
Silk Road in Western Han Dynasty (206 BC–24 AD) From 139 BC to 129 BC, Zhang Qian set out on his journey to the Western Regions twice, pioneering the world-famous route.
answer:
The term that best describes the relationships between neighboring Mayan city-states is competitive.
<em>-- please mark the brainliest and click the thanks button if correct :)</em>
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