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European colonizers killed so many indigenous Americans that the planet cooled down, a group of researchers concluded. Following Christopher Columbus' arrival in North America in 1492, violence and disease killed 90% of the indigenous population — nearly 55 million people — according to a study published this year.
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Answer: It effects countries after they've been decolonized as it's still taking resources away from them after leaving the control of the country up to them.
Explanation: (Hope this helps that's what I got from my History 12 course.)
Answer: The rise and popularity of radio caused a new approach in advertising
The practice of forcibly removing Native Americans from their traditional land started at the same time that Europeans began their colonization of America. However, by the early 19th century, the practice had become systematic and institutionalized. The practice consisted of forcing the Native populations to move to smaller, less desirable areas so that their native land could be occupied by Europeans. This cruel practice left lasting effects on the Native population.
For example, tribes often lost their means of livelihood by being subjected to a new, more limited area. This land often did not allow them to pursue traditional means of subsistence (such as fishing or hunting) in quantities that could sustain the community.
When tribes were reliant on farming, the impact was equally tragic, as the allocated land was often infertile or insufficient. These two factors meant that the tribes experienced a huge cultural loss in terms or traditional knowledge and customs.
The relocation also resulted in violence. Hostility between tribes was common, as they were pushed into smaller, closer territories. Another type of violence came from the European who tried to keep the Native people inside their reservations. Those who opposed were often attacked, and this strategy resulted in enormous massacres of Native people.
Answer: First of all use google maps next time. Denmark, Norway and Sweden