What are some of the major obstacles that had to be overcome in uniting the U. S. when building railroads and highways?

Which statement best describes why henry adams was beaten

Yugoslavia a: nato b: warsaw pact c: not a member of either alliance

Plz me in 1756 george washington was sent on a mission to, a. build a fort at the point where the allegheny and monogahela rivers form the ohio river. b. attack the french at fort duquesne. c. attack the french at fort neccessity. d. deliver a message to the french demanding that they leave the ohio valley.