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Champa rice was initially discovered during the 10th century and made its way to China in the 11th century. (This is a crop that was used before the 1200s and after.) Rice had become a staple food in East Asia, and was highly demanded by the majority of the population. Having drought and flood resistant properties, Champa rice became the perfect crop for the East Asian environment. In the coming years, it allowed the Song Dynasty to have a quick and fruitful way of feeding their people.

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Caravans (East Asia): continuity from before 1200

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Caravans (East Asia): continuity from before 1200

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Mongolia was the original place where Mongols lived. Because Mongolia was a very arid region, Mongols adapted by building caravans to navigate throughout East Asia and contribute to the flow of commerce (13th century). Caravans were not a continuity at that time, but quickly popular and evolved into some of the transportation methods we have today.

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Chinampa islands were made by the Nahuatl people about halfway through the 13th century, as a way to adapt to their environment. Because the Nahuatl people were surrounded by water, the Chinapa islands were an innovative way to help their economy grow despite their geographical. Chinampas were a discontinuity, as it was a completely new and innovative creation.

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Mongols and Naval Technology (East Asia): (1274 - 1281)

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Mongols and Naval Technology (East Asia): (1274 - 1281)

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Major military efforts were made by Kublai Khan (Yuan Dynasty) to conquer Japan. The Mongols were a very progressive group that had very advanced technology. Using ships to cross Japan, Mongol vessels were lost at sea due to ¨kamikaze¨(lethal winds and strong sea currents), according to Japan. From this information, viewers can note that the Mongols had advanced naval technology that allowed them to conquer lands overseas. They would traverse through the ocean using their ships in order to gain more power.

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Khmer Water Systems (South Asia): (1000-1300)

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Khmer Water Systems (South Asia): (1000-1300)

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Khmer empire had on-and-off Monsoon seasons and created irrigation/water systems to adapt to wet seasons (14th century). They did this to both manage flooding, and distribute water to their people.

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In the 13th century, gold’s value decreased in Africa as Mansa Musa, a well-known wealthy ruler, passed out a lot of gold and used large amounts of gold to create new temples each week. Gold was extracted from mines much before Mansa Musa, however, his interaction with gold mines in his environment had a major impact on their economy.

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The North American Fur Trade: (1303 - 1850)

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The North American Fur Trade: (1303 - 1850)

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The Little Ice Age caused an increase in demand for fur clothing. European agricultural expansion had diminished the supply of fur bearing animals. In the coming years, European traders started to mass hunt fur-bearing animals in North America. A consistent demand for beaver hats in Europe led to the near extinction of the animal. Fur trading was a continuity and continued on well after the 1750s

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(Europe) Colombian Exchange and Domesticated Animals in Europe (1500s)

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(Europe) Colombian Exchange and Domesticated Animals in Europe (1500s)

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The Colombian Exchange allowed for the movement of domesticated animals from the Americas to Europe. Europeans gained a lot of animals and crops (like potatoes) that they then used in Europe to live off of. Animals and plants brought from Europeans to Europe adapted to their environment and became of much use to the Europeans.

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Silver Mining in the Americas: (16th & 19th century)

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Silver Mining in the Americas: (16th & 19th century)

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Silver was first found in abundance through mining in Bolivia. Native Americans were used by Europeans to mine silver. This kind of labor was done through the Hacienda System, which imported the ideas of serfdom to the Americas. Spanish mita taxes were imposed on Native Americans to get them to mine more silver, causing a lot of deforestation in the Americas. Silver mining was a continuity that lasted well after the 1750s.

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Sugar in the Americas (16th century & 19th Century)

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Sugar in the Americas (16th century & 19th Century)

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Sugar was a desired commodity in Afroeurasia. Europeans found that Sugarcane grew well in the Caribbean, along the Gulf Coast, and in parts of South America. Consequently, the environment of the Caribbean and Brazil was changed to accommodate large sugar plantations and caused a lot of deforestation. This was a continuity as it continued well after the 1750s.

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In 1750, the Abbasaids interacted with their environment by constructing dams to produce water for their empire. They also created canals using water from the Tigris river. Their water systems are a continuity from the many different systems for collecting water in empires throughout history, for example, the Khmer people's water systems