The appeasement policy is a political strategy, where one country accepts conditions imposed by other countries, thus avoiding a warlike intervention (war), also called "fear of war".
In the second world war, to avoid war with Hitler's Germany, several violations by Hitler were ignored, with the aim of preserving peace at any cost, thus sacrificing Czechoslovakia.
True
It is a road paved with logs
Broadly speaking, Mercantilism was very good for European countries for a while but terrible for their colonies.
Mercantilism made people in the Old World VERY rich and this made the Colonists angry.
As a result, the colonists started to push back and eventually rebelled.
The greatest thing that the nation had to do was get through the Great Depression. The Depression was the thing that was hurting everyone.