Why were attempts at railroad regulation often unsuccessful?

hey there,

the three main types of greek temples are

1 - doric

2 - ionic

3 - corinthian

best of luck,

- i.a -

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.