To help the dead kings reach a place among the gods
Catholic people were told that if they prayed at holy places called shrines, they could be forgiven their sins or be cured of illnesses. This is why people took the risk of going on pilgrimages.
The main lesson is to don't fear and have faith that you will be delivered through all things.
The European colonizers benefited because they took all the resources and established monopolies over colonial trading. Those who didn't benefit were the colonies because they were being exploited in every way possible by the big European empires like Britain or Portugal or Spain.
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The social pressures that contributed to English colonization of north America had to do with religious, politics and economics matters