The Most Heavily Defended Borders in the WorldThe U.S.-Canada border exemplifies a successful peaceful relationship amid global tensions around borders.Historical post-World War II decisions impact today's heavily militarized borders.
Truman and Johnson Also Stepped Aside, but the Circumstances Are Quite Different'Only two Democratic presidents in the last 75 years chose not to run for re-election during an election year, with the resulting nominees losing the general election to Republicans.