What was one effect of unrestricted german submarine attacks on shipping in world war i? a. the united states led the berlin airlift. b. british and french supplies never reached their troops. c. the united states moved closer to declaring war on germany. d. the german navy became the most powerful naval force in the world.

What is the area of the trapezoid shown ?

The line dividing regions 4 & 5 on this map is known as the "fall line." which of these represents an important factor of the fall line in georgia history? a) it was the first boundary of the georgia after it became a state. b) it was an important source of power due to a change in elevation. c) it was once home to major cities that have since become abandoned. d) it was a dividing line between the united states and native american territories.

What is the main idea of this excerpt