Congress passed this act to send the remaining Indian tribes to the unsettled western territories. The reason why this act was passed was probably so that the land in the existing borders could be used.
Answer:
Thomas Malthus.
Explanation:
Thomas Malthus was the person that affected and influenced Sir Charles Trevelyan's ideas about government intervention.
This is because, Sir Charles was a British official who was faced with the problem of scarcity of potato and Great famine in 1840 and his decision not to help the Irish was probably because of what was taught to him by his professor Thomas Malthus.
Thomas Malthus taught in his theory of population that population would increase while available food would not increase in the same manner and would cause large scale shortage.
Columbus originally set out to find a shorter trade route to India, but the actual result of his voyages was that he found the New World (the Americas) and began the conquest and settlement of this land.
That he would find a faster way to the west indies and bring them back spices gold and slaves and silver etc. ... They believed that he would reach power kingdoms that would allow him to bring goods, like spices back to Spain. ... They put pressure on him to make him work harder.
Geographic conditions for successful: Able to farm, defendable, had a source of water
Geographic conditions for unsuccessful: Desert, wasteland, etc
These are your examples
hope this helps