Which of the following statements is true regarding the construction of the transcontinental railway? a. construction began in omaha, nebraska, in 1863 and in sacramento, california, in 1865. b. most workers for the union pacific railroad were chinese. c. most workers on the central pacific leg of the railway were chinese. d. the sierra nevadas were the most difficult obstacle for the union pacific railroad.

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

what are two things that greatly the american economy after the war? the huge buildup of u.s. military the beginning of the korean conflict the creation of the gi bill the marshall plan for nations