Which of the following statements best describes the position of the united states following world war ii?
i. it is the united states responsibility to provide aid to states that have resisted communis takeovers
ii. the united states should set up and control democratic governments in allied european countries
iii. establishing democracies in european countries is the best way for the united states to combat the spread of communism
iv. the united states should not be expected to provide financial aid to countries struggling to rebuild after the war

a. i and ii
b. i and iii
c. ii and iv
d. i, ii and iii
e. i, ii, iii and iv