<span>There are such great differences in the wages and salaries paid to different people because a worker's human capital is the greatest determinant of his or her wage or salary. Each person's human capital is valued according to the amount of education and training that person had throughout their life. So it is only natural that a person with two PhDs should have a higher salary that those who've only finished high school. </span>
Answer:
In the Andes of South America, the potato was domesticated between 8000 BC and 5000 BC, along with beans, tomatoes, peanuts, and coca.
Explanation:
In South America, agriculture began as early as 9000 BCE, starting with the cultivation of several species of plants that later became only minor crops.
The Crusades began in the middle and late middle ages, and were sponsored by the Pope of the Roman Catholic Church, who wanted to restore Christianity to Jerusalem.
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