Refer to You Should Meet Katherine Johnson for a complete version of this text. Part A

Which statement is a main idea of Chapter 3?

Because of her ability with numbers and desire to learn, Katherine is chosen to work on engineering tasks at NACA.

When Katherine joins NACA, there are twelve other African American research mathematicians working there.

NACA engineers develop the first aircraft that could fly faster than the speed of sound.

NACA changes its name to the National Aeronautics and Space Administration, or NASA.

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Delegates: representatives who cast votes at a political party's national convention. binding: if a primary or caucus is “binding” that means the delegates won in that contest are legally bound to vote for a particular candidate at the parties national convention.a primary is a preliminary election used to determine a party's nominee for a specific office. the winner of the party's caucus, or primary, wins the party nomination for that state. then the delegates meet at their party's national party convention, which is a formal gathering of all party delegates from all states.