Jeffrey, a registered Republican, has been energized and influenced by the campaign that Joe Biden, a democrat, has been running during this election. As New Jersey's nominating selection was approaching he decided to vote for Joe Biden in the election. In New Jersey's, anyone can vote during this style of nominating method. However, they can only vote once. Which form of the nominating process is being described in this scenario? 1.open primary
2.caucuse
3.closed primary
4.nominating convention