Standard measuring and writing systems helped unite people under the Qin dynasty because everyone had to use these systems.
Water has a higher heat capacity than soil and rock, so the ocean takes much longer to heat and to cool than the land. Coastal areas will generally have more moderate temperatures than inland areas because of the heat capacity of the ocean.
I would say C. Barbed Wire, so no one could get in or the animals could not get out.
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Mckinley is the highest mountain in north america
On May 11, 1846, President James Polk updated Congress on recent events concerning Texas. The emissary he sent to Mexico with an offer of cash in exchange for disputed lands was rudely rebuffed. Then, Mexicans opened fire on Americans at the Rio Grande River, killing 16. "War exists," Polk declared.
