Answer:
1) The wall by Bruce Springsteen is a anti war song.
2) Yes, there specific evidence of his personal connection in the song which can be seen in the lyrics of the song.
Explanation:
The wall by Bruce Springsteen is anti war song because the song gives tribute to the soldiers which fought against enemies in the Vietnam war and criticize the personals who started the war. Both Walter Cichon and Bart Haynes were the closest friends of the Bruce Springsteen who were killed in the Vietnam war. The author of this song writes this song in the memory of their friends which we can see in the lyrics of the song.
The worlds population is growing and is overpopulating. This is negatively affecting the worlds biodiversity.
Well they were effected in many ways. some had to live without fathers and some even had there homes destroyed but most important of all is that they all had FREEDOM
B. Biosphere (not too sure)