Answer:
The most signicant policy of the Andrew Jackson administration was the continuous expansion westwards.
Explanation:
Andrew Jackson justified this policy by pointing out that the United States was a young, growing country, with thousands of settlers arriving to the western regions each year, both from within the country and from abroad.
He also justified this policy with racist arguments, by deriding Native American Society as inferior and undesirable.
These views ended in the policy of the force relocation of thousands of Native Americans from the South, who were obliged to move to Indian Reservations in Oklahoma. Many of them perished in this process, in what is known as the Trail of Tears.
The three main groups probably have been the British, the Boers and the Zulus
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