please help it has something to do with the play "sorry, wrong number"

1. How does the author of “Sorry, Wrong Number” use historical events to enhance the plot?
A. By describing the culture of the time period in detail.
B. By using historical figures as characters in the story.
C. By using set props, such as the rotary phone, associated with the time period.

2. Which line first suggests that Mrs. Stevenson might be the intended victim?

A. “It was a perfectly definite murder. I heard their plans distinctly.”
B. “Well, it’s unnerved me dreadfully—and I’m not well.”
C. “That’s near a bridge. . . And we have a private patrolman on our street.”
D. “Second Avenue is a very long street, ma’am.”

which of the following was specifically permitted by the emancipation proclamation?

free african americans were allowed to fight for the confederacy.

free african americans were allowed to enlist in the union army and navy.

enslaved people in border states were allowed to move to the north.

enslaved people in border states were allowed to become confederate citizens.

the krebs cycle and electron transport occur in the mitochondria, though other than that i would need to know more information.

the gas pressure p, gas volume v, and gas temperature t are given in the formula:   pv=nrt,

r is the gas constant, and n is the number of gas moles.

if the container is cooled and remains under atmospheric pressure, where r is a constant that does not change, the volume of the container remains the same, the conclusion is drawn that, with all other values ​​unchanged, the number of gas moles n, is decreases.

the right answer is a.

both are bitter over their mistake