The information on this map implies that trade made these regions
(1) militaristic (3) isolationist
(2) interdependent (4) ethnocentric

His is the name of the group in the house of representatives that, in 1947, began hearings to expose communist infiltration in american life. unfortunately, a good deal of the evidence they used was based on hearsay and conjecture, meaning innocent people were harmed by their findings.