During world war i, the western front in europe was characterized by a) trench warfare. b) constant movement of troops. c) unrestricted submarine warfare. d) the breakdown of the russian defense.

2points which option best completes the diagram? humanitarian aid as a tool of foreign policy the united states provides humanitarian aid to rebuild after an earthquake. the country supports u.s. interests. o a. more educated citizens are more likely to create a democratic government o b. the citizens and government have a positive attitude toward the united states. o c. more prosperous citizens have money to spend. o d. the country's government discovers a new natural resource.