Answer:
The answer is B: variety in sentence structure and length.
Explanation:
To have good fluency the sentence structure has to vary(so it does not just repeat every time). The length of a sentence must be long enough to make a point, that's why b makes the most since out of all the options.
I think its the first one the sentence looks fine with out a comma.
Answer:
Many people felt that their lives would be better off if the colonies remained under British rule.
C because if you read it right so it’s c
Northwest ordinance was an important step in limiting slavery
