Which of the following choices did not contribute to the Second Industrial Revolution? A. support for laissez-faire economics

B. inventions such as the battery and carbon filament

C. increased taxes and tariffs

D. the Transcontinental Railroad

- "the most famous structure by far at saqqara is djoser's step pyramid. dating from the 3rd dynasty (2667—2448 bc), it was the first all-stone complex ever built on earth."

< 3

b. would be the answer if not try c

hope this correct me if my answer is wrong if i am correct can you plz give me brainliest

: ) : 0 : o : d

explanation:

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.