What was the name used for scientists before 1840?

What does president obama say about modern day "hoovervilles"?

Match each treaty with its description. treatys- a the munich agreement b the pact of steel c the molotov-ribbentrop pact descriptions- 1- an alliance between germany and italy 2- an agreement between germany and the soviets dividing eastern europe 3-an agreement between germany, france, italy, and britain granting germany a small part of czechoslovakia in return for peace

How did enlightened thinkers believe government regulation affected the growth of wealth and trade