What is being done to prevent costal erosion

Ahistorian who compares the expansion of political systems to the expansion of economic systems is organizing history by o a. region b. culture c. period d. theme

American indians in the blank built longhouses options -north west -great plains -south east -eastern woodlands q#2 american indians in the blank celebrated with a potlatch options same as before!

Which factors in europe caused the economic situation that occurred following world war i? choose 3. question 4 options: desire for luxury goods now that the war had ended loss of life and property damage from the war high inflation refusal to trade between countries inability to pay back debts strong enforcement from the league of nations