How was the Enlightenment global in its ideas and effects?

Answer the below questions

1. How was the Enlightenment global in its ideas and effects?
2. How did the Encyclopedia promote Enlightenment? Why have Adam Smith’s economic ideas been so influential?
3. How do ideas of the Enlightenment relate to the Declaration of Independence?
4. Although the speech by Frederick Douglas is after the Enlightenment, how does his speech relate to the Declaration of Independence (a document more closely related to the Enlightenment)?