Why did Waldo seem surprised by the soldiers’ attitude?

because conditions were so harsh and desperate, yet the soldiers still showed cheerful readiness

Explanation:

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i am sure the answer is d

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.