You're off by a few there lol :D Earth is actually 4.54 billion years old.
Paul Joseph Goebbels
Paul Joseph Goebbels (German: [ˈpaʊ̯l ˈjoːzɛf ˈɡœbl̩s] ( listen); 29 October 1897 – 1 May 1945) was a German Nazi politician and Reich Minister of Propaganda of Nazi Germany from 1933 to 1945.
The only true option from the list would be that "<span>In time a fifth group was added to the caste system--the untouchables," since this was a later development and not an initial part of the system. </span>
Answer is A. During the campaign for presidency, Bush promised not to raise taxes. When the economy started to tank, he had no choice but to do so. The War with Sadaam in Kuwait was viewed as a major success. The USSR fell in 91, which was a huge help to stop the spread of communism. The pollution thing I'm not so sure about, but most of the time, if the economy is bad, the pres is blamed, and in 91-92, the economy was bad.