Which of these would best serve as a topic sentence for a paragraph?
a) catherine the great extended russia's boundaries.
b) catherine the great authored new guidelines for government.
c) russian empress catherine the great more than doubled the number of factories in russia.
d) russian empress catherine the great worked tirelessly during her thirty four year reign, making russia a world power.

D

Explanation:

I just answered it and C was not and I repeat NOT the answer.

D

Explanation:

D

If you notice, every other answer states specific things that Catherine the Great did. A topic sentence states the general introduction to a paragraph. All the other options would be the other sentences in that paragraph, following D.

D is a general summary. It would work best for a topic sentence

:)

coin toss of the tosses to the toss