The correct answer is they blazed trails through the Rocky Mountains and other difficult terrain.
Mountain men were people who lived in the wild of Rocky Mountains from 1810 to 1880. These men played an important role in <em>creating roads</em> so people from the East could travel to the West, helping the fur companies improve their trade. Many mountain men worked as a <em>“free trappers”</em>(by their own), but a lot of them were hired by fur companies.
It become a concern of the military planners due to the high casualty the marines suffered during the taking of Iwo Jima. Also the battle proved that even though the battle was an American Victory the Japanese army is prepared to die defending and willing to wage a suicide attacks even though they already know that they lost the war. That also attacking the Japanese Home Islands would be a costly attack of lives of american soldiers and the new strategy develop in Iwo Jima would be an arduous battle if the Americans would invade the Japanese Island with the Japanese people that is already to prepare to die fighting.
The official power to make legal decisions and judgements
In the late 19th century, immigrants arrived in large numbers on the U.S coast from China for the primary purpose of working on the Transcontinental Railroad.
South America is west of Africa
