I am Socrates!
This method even has a name; it's called Socratian Method (obviously, named after me) and it's a method that invited others to do critical thinking rather than give them ready-made answers.
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Some causes and effects of European exploration is:
1. They brought diseases to the U.S and Africa which effected those people and causing them to die
2. They found Africans and wanted their gold and money which effected them to start the American slave trade
And many other reasons....