Which of the following was an effect of increased migration to cities during the early 20th century?
a. a decline in racial discrimination
b. a decrease in the nation's agricultural output
c. increased power for political parties
d. an increase in women working outside of the home

i dont think its b

maybe by travelers or gossip

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.