Question

Read the sentences.

Answer 1

The Best answer is: D. Canal systems, like the Eerie system and the Pennsylvania chain, connected Eastern factories with Western markets, and so did railroads.

Answer 2

Answer:  D. Canal systems, like the Eerie system and the Pennsylvania chain, connected Eastern factories with Western markets, and so did railroads.

This is the best way to present all of the ideas in one single sentence. The resulting sentence expresses all the ideas that interest us while also being clear and concise. Using this sentence instead of the initial ones is likely to improve the flow and rhythm of your text.