The answer is The Pony Express was invaluable during the national crisis.
Pony Express started in the 1800s when three men had put up a mail delivery system that would reach from Midwest to California. The design of the system connected a number of over one hundred stations, each almost two hundred forty miles long, across the country. It had given a needed service but it was never quite the financial success it was envisioned to be.
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a narrow, keelless boat with pointed ends, propelled by a paddle or paddles.
a. will race
The verb phrase in the statement above is "will race". In order to better understand what verb phrase is, one must have a clear understanding of what is a verb and what is a phrase. A verb phrase can be the sentence's predicate or a clause. The predicate is the part of the sentence that tells what the subject is doing. A verb phrase sometimes serves as an adjective or adverb complete with a verb, the complements and others.
What unit and lesson is this? I may have completed it already