The positive effects of getting California is that it's closer to Asia, and California side of the nation at the time could have open territory to conquer.
Answer:
Immigrants were not willing or able to work in factory environments
"C. was overthrown by invading Mongol tribes in A.D. 1279" would be the best phrase describing China's Song Dynasty, but this was of course not always the case.
They did not want the british to become too strong, whoever conquered ethiopia would have the upper hand
Reform means the improvement or amendment of what is wrong or currupt.
