C.that huge tree on maple street is not a maple tree.
I believe the answer is: strong, stern, and assertive.
The speech above is specifically made to address woman issue that arise in 1848, when women were openly discriminated against the society.
To gained reader's support on serious issue like this, it is important to use strong, stern, and assertive tone. This could be seen on the monotone statements and formal language that issued in the speech
The answer is b. Simple past
The sentence that had correct sentence structure is
Before we were able to get financing we had to have the house appraised by independent appraiser