Answer:
influx of foreigners
Explanation:
The Chinese, however, did put in place some measure of border closure in the 15th century in reaction to an influx of foreign merchants and settlers and in order to protect local traditions. The isolation of the empire started during the Ming dynasty and continued into Qing dynasty.
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Inelastic skin turgor is a normal part of aging you should remember when evaluating skin turgor.
Chronic hypocalcemia is often due to insufficient levels of parathyroid hormone or vitamin D or resistance to these hormones. Treatment focuses on oral calcium and vitamin D supplementation, and magnesium if deficient.
Back and leg muscle spasms are common. Over time, hypocalcemia can affect the brain, causing neurological or psychological symptoms such as confusion, memory loss, delirium, depression, and hallucinations. These symptoms disappear when calcium levels are restored.
Hypocalcemia may be due to vitamin D deficiency. It may also indicate the condition of his four small glands in the neck (parathyroid glands), kidneys, or skin turgor.
Learn more about hypocalcemia at
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