Well, often when explorers explored the world, they had a goal. Whether a goal was to spread a religion or conquest a place, there was always a goal. When the explorers for example tried to conquer a place, casualties often occurred. Which effected the amount of people in the population. Another example is when explorers were trying to spread a religion, the population changed.
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Social studies is important because history always seems to have a way of repeating itself, but the more you know about history, the more you can prevent some of the bad things that happen. It's also important to know about other countries and cultures and what happened before you were born and what's happening now. It's important to be in the know.
It was the growth of jails. Many staffs were getting paid poorly.
