Montesquieu is describing the "Separation Of Powers" which is important because it states that government should be split up into 3 branches the Legislative(which is Congress),The Executive(the President), and the Judicial(the Supreme Court). Montesquieu wanted this so that power could be divided equally and so that it wasn't just one big Government with all the power.
The Hagia Sophia is a domed monument built as a cathedral and is now a gallery in Istanbul, Turkey. Hagia Sophia means “holy wisdom’. It has two floors centered on a giant nave that has a great dome ceiling, alongside with smaller domes, towering above.
New inventions.. more learning becoming snarter
They opened new areas of the country to explore!Hope this helps a lot!:)