Describe the water that is most likely to float on the surface of the ocean.

a. cold water with no salt
b. warm water with high salt content
c. warm water with low salt content
d. cold, salty water

answer; native americans who sometimes actively impeded railroad construction; physical obstacles like rivers and canyons, and

the first phase of the government’s plan for settlement was building the transcontinental railroad. the railroad provided a way to bring settlers and manufactured goods west and ship their agricultural and mining produce east. the transcontinental railroad was an essential artery for rapid development of the frontier.

the second phase of the government’s plan was a liberal land distribution policy that made it possible for many people to homestead. with these two key elements—transportation and cheap land—the government rapidly achieved its goal of persuading people to move west, settle on farms, and push back the frontier.