B without'and'
The greatest road system built in the Americas prior to the arrival of Christopher Columbus was the Incan highway, over 2,500 miles long extended
Without the conjunction 'and', the sentence will be a double verbed clause with the Incan highway as the subject and two verbs namely ' was'and 'extended' without a proper connector. Obviously, this is wrong, some kind of a fragment, without a subject for the second part.
It is also not clear whether somebody extended the highway after
...
Quote:
The greatest road system built in the Americas prior to the arrival of Christopher Columbus was the Incan highway, over 2,500 miles long extended
Without the conjunction 'and', the sentence will be a double verbed clause with the Incan highway as the subject and two verbs namely ' was'and 'extended' without a proper connector. Obviously, this is wrong, some kind of a fragment, without a subject for the second part.
It is also not clear whether somebody extended the highway after
...
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