In 1887<span> Congress passed the </span>Interstate Commerce Act<span>, making the railroads the first industry subject to Federal regulation. Congress passed the law largely in response to public demand that railroad operations be regulated.</span>
Answer:
they found a daunting range of mountains that took weeks to cross.
Explanation:
By the time they arrived at the ocean, Lewis and Clark knew that the Northwest Passage did not exist.
South wanted slavery, rebellions because of Lincoln becoming president, John Brown's and other abolitionists actions, the consequences caused by Compromise of 1850, the consequences of the Fugitive Slave Act, and the controversy and Bleeding Kansas.
built the Great Pyramids
developed advanced irrigation
expanded the empire’s territory
improved trade and transportation
