'First-past-the-post system' refers to: the first person to cast a vote on polling day
the first polling station to count the votes cast
the candidate who collects the majority of votes in a constituency
the first time the people in a country went to the polls

The candidate who collects the majority of votes in a constituency.

Explanation:
Well a ‘First past the post system’ is a electoral system. The basic functionality of it is whatever candidate gets the most votes of the populous wins. There are no party’s or electoral college, it’s simply you vote who you want.

-Hope this helps :D-
-siascon

The answer would be dominating. It is a form of conflict style where it is used for one self and does not recognize or care for others just achieve the goal that the individual wants to attain. In doing speedy decisions, this is used because you're thinking of the goal, the goal that you likely want to happen, regardless of what other people or concerns of other people. It is because, you settle your own goals first in making a decision, especially when it is needed instantly.