Key Terms: opportunity cost, marginal benefit, and marginal cost. Utilizing the lesson’s key terms, in a well-organized paragraph summarize the central idea of the text and explains how the central idea helps answer the essential question. How do Production Possibilities Frontiers help us make effective economic decisions?

1. discovered the new world balboa 2. explored the north american southwest hudson 3. his crew was the first to sail around the world vespucci 4. conquered the incas of peru cortes 5. discovered the pacific ocean columbus 6. conquered the aztecs of mexico cabot 7. discovered fishing grounds off newfoundland pizarro 8. looted spanish vessels for england drake 9. claimed the hudson river area for dutch coronado 10. priest who explored the mississippi marquette 11. man for whom the new world is named magellan

Which of the following is not a true statement about the inca? a. they conquered the maya. b. they had a highly organized military. c. they mummified deceased royal-family members. d. they built cities and fortresses on the highlands of the andes mountains.

4)  a comparison and contrast of these texts shows thata)draper uses an actual historical event to create a character's conflict based on those events. b)to add dramatic conflict, draper makes many changes to the historical account of integration. c)draper chooses the hot and extreme climate of a southern state to highlight the heated conflict of integration. d)draper writes a story that avoids the violence that occurred during the struggles to integrate american schools.5)  based on the texts provided, which statement is accurate? a)fire from the rock  includes the actual life experiences of sylvia patterson. b)the novel creates the fictional group, the little rock nine, to add drama and conflict. c)fire from the rock  shares the real life experiences of one of the little rock nine. d)the novel is a realistic but fictional story based on historical events during a time of