In the mid- to late 1800s, the us government granted land to railroad companies to expand their networks. what is another way that railroad companies used the land? a. they mined the land for coal and other natural resources. b. they sold some of the land to farmers and ranchers. c. they built factories along the rail lines. d. they created land preservations in order to protect the environment.

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.