Members of a college of three members. The expression is mostly used to describe the First Triumvirate (60 BCE; Pompey the Great, Crassus, and Julius Caesar) and Second Triumvirate (43 BCE; Marc Antony, Lepidus, and Octavian)
-Gregory
For one thing there was a great influx of legal immigration. People came from many parts of Europe. They had to be taught English which was the language of the time.
For another, America was becoming more industrialized which meant she needed trained workers. This is true of many other countries as well.
Answer: B. Who's; subject (in a contraction with a verb)
Interrogative pronouns are used when asking questions.
There are five basic Interrogative pronouns: Who, Whom, Which, Whose, and What.
FAMILY would be considered a socializing agent. After all, you cannot socialize with a pet, a piece of paper, or colors.