Christianity and muslismism
<span><span> A.</span><span>Since ancient times, people have used waterways for transportation.
</span></span><span> B. When natural waterways are too difficult to navigate, people sometimes dig canals to provide a better means of transportation.
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<span>D. Canals are man-made waterways that change the natural landscape to meet human needs.</span>
Assuming this is referring to the same picture that was posted before with this question, the proper answer is "(4) giving public land to railroad companies to
<span>help finance railroad construction"</span>
