Answer:1
Explanation: Hope this helps pls give brainliest
It's it's the first one.... Lincoln signed the Pacific railroad act in 1862...
Answer:

Government corruption and political instability. The political rot also extended to the Roman Senate, which failed to temper the excesses of the emperors due to its own widespread corruption and incompetence. As the situation worsened, civic pride waned and many Roman citizens lost trust in their leadership.
to my information the zhou over threw the shangs from power. teh zhou was a feudal system run country