How long must a contraction be to be considered a recession

Why do many scientists suppose the land bridge theory of migration?

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.

Write an account of the boston massacre from the point of view of a british soldier involved in the event