The correct answer is legalism.
Answer: They fail simply because the American political system is designed to support only two major parties. As well as this, 48 of the 50 states employ a winner-takes-all system for electoral votes.
Explanation: Third parties often represent an ideology that is considered too radical by the mainstream parties and their constituents.
I always "felt" I could write. I did not always "feel" I could effectively study a foreign language.
Three main motivations for European exploration are the need to spread their religion (Christianity), improving the economy (acquiring more spices,gold,goods) and lastly, faster trading routes. Hope this helped :))