Which of the following is true about third parties in Texas?

a) They have never had much influence.
b) The Texas state constitution makes it more difficult for them to emerge than in other states.
c) The individualistic political culture in Texas makes it easier for them to emerge than in other states.
d) They had influence in the past, but very little in the present.
e) They had very little influence in the past, but have a growing influence in the present.