How Did Incomplete Information Cause Kuwait to Make a Mistake

How did incomplete information cause Kuwait to make a mistake when Iraq threatened to attack in 1990?

A) Kuwait did not have diplomatic relations with Iraq and therefore did not have an opportunity to make concessions to Iraq.
B) Kuwait did not know that Saddam Hussein was willing to wage war and decided not to make sufficient concessions.
C) Kuwait did not know that Saddam Hussein had moved many of his troops to the border between Iraq and Kuwait.
D) Kuwait had decided to make the concessions that Saddam Hussein wanted,but the message to Iraq was not properly sent by Kuwaiti bureaucrats.
E) Kuwait did not know that the United States would come to its aid if a war was to occur.