A.natural conservation
B.the construction of irrigation projects
C.the setting-up of the Federal Reserve Board and twelve Federal Reserve Banks
D.the introduction of tariff increase and a low income tax

A.the banning of child labor
B.the giving of voting right to women
C.in the field of natural conservation
D.in urban renovation

A.initiate strict government regulation
B.have the government to fix prices
C.break up all the big businesses
D.do away with rebates

A.improve the living conditions of urban poor
B.reform the national government
C.change election systems in city and state governments and check corruption
D.check corruption in city and state governments

A.an organized campaign with definite goals
B.a movement aiming at exposing the dark sides of society
C.not an organized campaign with efforts to improve people's living standard
D.a number of diverse efforts aiming at achieving political,social and economic reforms