Answer:
The presidency
Step-by-step explanation:
Currently, Republican and Democrats are the most dominant party United States. Typically, the votes that accumulated by these parties surpassed 95% of the votes. This provide other third party almost no chance in winning the presidential election, including the libertarian party.
The highest amount of votes that the libertarian party ever got for the presidential election is only around 3.3% back in 2016 when they choose to run with Gary Johnson as their candidate.