5) most of the laborers who built the central pacific railroad were immigrants from which country?
a.
mexico
b.
china
c.
russia
d.
ireland
7) who invented the telegraph?
a.
samuel f. b. morse
b.
thomas durant
c.
jacob riis
d.
cyrus mccormick

2points which option best completes the diagram? humanitarian aid as a tool of foreign policy the united states provides humanitarian aid to rebuild after an earthquake. the country supports u. s. interests. o a. more educated citizens are more likely to create a democratic government o b. the citizens and government have a positive attitude toward the united states. o c. more prosperous citizens have money to spend. o d. the country's government discovers a new natural resource.