<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>
The state decreased agricultural production
B
if you weren't born in the US, you can't become the president or vice president
During the 1600s and 1700s, Prussian kings built a strong nation by <u>industry</u>. :)
