The main system used by political parties to nominate the candidates in the modern political system of the US country is the primary system of elections.
Option A is the correct answer.
<h3>What is a political party?</h3>
A political party is elected by the maximum votes given by the citizens of the country at the time of elections.
The primary method of elections is one of the techniques where the candidates are selected by casting votes through a secret ballot. But in some states, the system of the caucus is also used to elect a candidate for the party by organizing a meeting and having a discussion over that.
Therefore, the primary system of nominating the candidates in the political parties is used as one of its main methods.
Learn more about the primary elections in the related link:
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The main reason why the interstate commerce commission had difficulty enforcing reforms was because each state had disagreements about the rules and regulations.
Industrialization moved to more impersonal compontents. The worker is seen as replaceable. If a worker got hurt, another worker would step in. Later more machines replaced the workers. Dirty conditions and poor lighting. Extreme hours, 14 -18 hours a day.
A. the theory that women are superior to men
