A strong belief in nationalism, I goodled it :)
The answer would be 2,3 and 4
the two factors are inertia and gravity
It helped spread the ideas of the Enlightenment across Europe and beyond. ... The ideas of the Enlightenment played a major role in inspiring the French Revolution, which began in 1789. After the Revolution, the Enlightenment was followed by the intellectual movement known as Romanticism.