They hoped to find new land
1) Amoral - absence of specific moral values or judgments.
2) Ecosystem - the plants and wildlife that make up a region.
3) Indelible - something not easily forgotten; impossible to get rid of as a memory.
4) Insidious - very dangerous or harmful.
5) Prognosis - the likely outcome of something, such as an illness.
6) Surmise - to make a guess or assumption about something.
It's mainly because of A and B, because after the war, the industrial resolution happened, and farmers are replaced by machines, farmers has no work to do, their speed is no compare to the machines, so they must move to another place. Also the population in Europe is growing in a extremely fast speed. Hope that helps :)
