What factors most contributed to delays in construction for the central pacific railroad

Which of the following was the eventual result of the allied attempts to contain soviet expanion

What new concept did the the american revolution introduce into the world

What is the significance of the battle of saratoga? a. the defeat at saratoga allowed the british to invade new england by land. b. after the defeat at saratoga france refuse to sign a treaty with the united states. c. the british won a decisive victory at saratoga. d. after the victory at saratoga france gave open support to the united states including arms money and ships.