Answer:
x. Natural disasters (gradpoint)
Explanation:
Manioc is native to tropical south America, where it was grown, processed, and used by many different groups to make bread and porridge. it spread to the Caribbean and other tropical parts of American during pre-Colombian times and was encounter by the columbus on his first voyage to the new world.
Answer:
I think the answer would be non-sustainable harvesting
There are several factors that may lead to people becoming refugees, including warfare, political instability and natural disasters such as floods, tsunamis and famines. Refugees are defined as people who must leave their homes or native areas for reasons of safety and survival. Natural and man-made disasters can cause large segments of the population to flee from their native states, regions and countries into neighboring territories to wait temporarily until it is safe to move back home, or relocate for good.