Boats and railroads were improved with the use of steam power.
Democratic dominance of the South originated in the struggle of white Southerners during and after Reconstruction (1865–1877) to reestablish white supremacy and disenfranchise blacks. The U.S. government under the Republican Party had defeated the Confederacy, abolished slavery, and enfranchised blacks.
The correct answer is a. evolution.
Darwin was the scientist behind the theory of natural selection, one of the main mechanisms behind evolution (next to sexual selection).
Answer:
<h2>Competition and consumer sovereignty</h2>
Explanation:
Answer:
<em>Well, Why did Americans want to add California to the nation? They wanted to build ports on the coast for trading with China and Japan. Because, California's constitution BANNED slavery. The Southern states objected to making CA a state because it would upset the balance of free & slave states. </em><em>Good Luck!</em>