The amount of involvement by in the war in late 1950 took the united states by surprise, and changed the course of the war.

the answer to that is lasted 3 years but if you’re doing the usa test prep here are all the answers:

1.A

2.C

3.A

4.B

1 > george s. boutwell

2 > general ulysses s. grant

3 > james a. garfeild

4 > adolph e. borie

dylan has written many enduring songs and he has received several awards for his musical achievement;  

any written work with artistic value can be considered literature; especially if such work is publicly recognized, and has had importance and endurance among people; whether is poetry or fiction or drama or even criticism, since it's the transcendence and representation of a culture, language or people in a period of time to more people, using letters (words), regardless the subject.

the nobel prize in literature is given to authors from any country based on a body of work as a whole that inspires and nurses the life of humanity.  

and the work of bob dylan matches that description, therefore is well deserved since he'd created new poetic expressions within the american song tradition, that has inspired and influenced the lives of many people, not only withing the united stated but worldwide as well.