Which of the following best describes the First Battle of Bull Run?
• Union forces staged a surprise attack but were forced to retreat.
• Union forces staged a surprise attack and defeated Confederate forces.
• Confederate forces staged a surprise attack and defeated Union forces.
• Confederate forces staged a surprise attack but were forced to retreat.

A) Union forces staged a surprise attack but were forced to retreat.

Explanation:  The Union realized this would not be an easy victory.  The war would turn out to be long.

Explanation:

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.