Use of subordinate clauses is more of a grammatical thing, and if the writer is not sure if a sentence is correct he/she may ask a peer reviewer to edit or comment on it. However, the body of the essay is a standard for every essay assigned and it should be much easier for the writer to tell if he/she is following the rules.
Social worker: people
air traffic controller: data
butcher: things
counselor: people
doctor: people
mechanic: things
model: people
welder: things
teacher: people
writer: things
Political parties are teams of politicians, activists, and voters whose goal is to win control of government. To do so, parties perform essential tasks of recruiting and nominating candidates, garnering the resources needed to run campaigns, and pursuing a policy agenda that can help them appeal to voters. Although Americans tend to be suspicious of “party rule,” the Democratic and Republican parties are essential to the daily operation of government and the conduct of American democracy in elections. This two-party system helps to structure voters’ electoral choice and provide coordination to America’s otherwise divided and separated governing institutions.
Baby is the noun in this sentence.