How were steam-powered ships different from sail boats? Question 9 options: A) Steam boats could carry large cargoes. B) Sail boats could travel against the current on a river. C) Sail boats could carry large cargoes. D) Steam boats could travel against the current on a river.

D

Explanation:

Sail boats could carry large cargo, but the problem was that they couldn't travel against a river current, for example, if you wanted to transport goods to a northern town, but the river flowed downwards, then you had to transport it by land. Steamboats create enough energy to push against the river current and was especially useful in the Mississippi River.

Steam boats could travel against the current on a river.

Explanation:

c. troops marched forward in close formation against newer, more accurate weapons

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-lavira : )