Hi there!
The innovation that had the greatest impact on westward migration was d. transcontinental railroad.
What was the impact<span> of trade routes on emerging colonies in the Americas?” ... with the greatest </span>impact<span> on New World colonies, was the </span>Triangular Trade<span>, ... in New England, where merchants sent rum and other </span>North American<span> goods to ... Trade </span>did<span> not automatically translate into sustained development.</span>
The nullification crisis was a dispute over the power of the states to reject unconstitutional federal laws.
Athens held the advantage during the Peloponnesian War.