Read the passage from history of the united states, by charles and mary beard. as necessary to mechanical industry as steel and steam power was the great market, spread over a wide and diversified area and knit together by efficient means of transportation. this service was supplied to industry by the steamship, which began its career on the hudson in 1807; by the canals, of which the erie, opened in 1825, was the most noteworthy; and by the railways, which came into practical operation about 1830. with sure instinct eastern manufacturer reached out for the markets of the northwest territory where free farmers were annually producing staggering crops of corn, wheat, bacon, and wool. the two great canal systems — the erie, connecting new york city with the waterways of the great lakes and the pennsylvania chain, which linked philadelphia with the headwaters of the ohio — gradually turned the tide of trade from new orleans to the eastern seaboard. in a summary of this passage, which of the following could support a central trend?

In a summary of this passage, a central trend is the Erie canal system.

To add, the Erie Canal is a canal in New York that is part of the east–west, cross-state route of the New York State Canal System (formerly known as the New York State Barge Canal). 

In a summary of this passage, a central trend is the Erie canal system.

To add, the Erie Canal is a canal in New York that is part of the east–west, cross-state route of the New York State Canal System (formerly known as the New York State Barge Canal). 

The correct answer is The Erie Canal System

The Erie Canal is a canal that was completed in 1825, the canal links the waters of Lake Erie to the Hudson River. It traversed 363 miles from Albany to Buffalo. It was considered the longest artificial waterway in North America. Later the Canal was enlarged into the Erie Canal System, that included three chief branches of the system - The Champlain Canal, the Oswego Canal, and the Cayuga and Seneca Canal.

The Erie Canal System made New York transform into the leader in population, industry and economic strength, also transformed New York into the national principal seaport.

The correct answer is The Erie Canal System

The Erie Canal is a canal that was completed in 1825, the canal links the waters of Lake Erie to the Hudson River. It traversed 363 miles from Albany to Buffalo. It was considered the longest artificial waterway in North America. Later the Canal was enlarged into the Erie Canal System, that included three chief branches of the system - The Champlain Canal, the Oswego Canal, and the Cayuga and Seneca Canal.

The Erie Canal System made New York transform into the leader in population, industry and economic strength, also transformed New York into the national principal seaport.

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