Why did the House of Representatives decide the presidential election of 1800?

Question

a.Neither Federalists nor Republicans won a clear majority of the popular vote.
b.Thomas Jefferson and Aaron Burr split the electoral votes.
c.Members of Congress did not agree with the decision of the electoral college.
d.President John Adams refused to accept the decision of the electoral college.

Answer 1

http://en.wikipedia.org/wiki/United_States_presidential_election,_1800#Voting

Answer 2

the election of 1800 was decided by

Answer 3

Full assignment
1. b,d
2. a
3. b

Answer 4

d is 100% correct so thanks!