Champa Rice - Introduced to China through Vietnam, contributed to population growth, Bananas - introduced to Sub-Saharan Africa by Indonesians. Lead to a spike in population., Sugar - European demand led to an increase in the use of enslaved people in the Americas., terrace farming - method of growing crops on sides of hills or mountains., Little Ice Age - period of wide-spread cooling from 1300 to around 1850, when average global temperatures dropped, bubonic plague - Called the Black Death, it killed millions of Europeans during the Middle Ages., astrolabe - a device used by early explorers to measure the altitude of stars and planets, lateen sail - triangular sail for ships; very important to navigation.,

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