Why Was the Karzai Government Doomed to Fail

Why was the Karzai government doomed to fail?

A) Karzai was seen as a weak leader that did whatever the United States asked him to do.
B) As a democratically elected leader in a country that valued anything but democracy, he tried to implement governmental changes to make it a theocracy but his attempts were seen as simply pandering to the masses.
C) Karzai had no Islamist credentials or tribal support.
D) President Karzai refused to raise taxes on his citizens, but later the government collapsed because they had no money.