What does 'Without your two great political parties cutting across economic and geographic interests democracy as you know it could never have been made to function' mean

2 answers

Are these your choices?

a) an important feature of the us political system is the broadly based appeal of the two political parties
b) each polotical party appeals toa different social class
c) only a two party system can function in a democrazy
d) political parties in the united states tend to represent sectional interest
e) there is no significant difference between the democratic and republican parties

What do you think the best answer is?
b