Steam was used for boats and trains, making cleaner, faster transportation.
The answer is D)Nat Turner
<span>There is a plenty of definitions for globalization, but we can use a generic one to understand this phenomenon: the globalization is the modern state of the world, when people, culture, information, technology, products and many other things can be, easily trade between all nations (almost all) of all continents. This state has its origins in the early 15th/16th centuries, with the maritime expansion.</span>
One role that geography played in helping the Roman empire was by providing natural barriers to invasions.
<h3>How did geography help the Roman empire?</h3>
The Roman empire in its early stages, was able to take advantage of natural barriers to protect it from invasion by hostile tribes and kingdoms.
For instance, the Alps in Northern Italy made it difficult to invade Roman areas in Italy from the North. And the fact that Italy was a peninsular meant that to invade it, one would have to invade by sea where the Roman navy was stationed.
Find out more on natural barriers to invasion at brainly.com/question/1908914
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