Why is the columbian exchange important to Us history?

Will give 20 pointsthe problems experienced by the british colonists were best expressed in which document? a) the preamble b) the federalist papers c) the declaration of independence d) the constitution of the united states of america

This question is based on the following passage. except for a few pigeons, central park was deserted. mist hung above the chilled grass. patches of old snow, scattered here and there, looked like white puddles. the sun hung just above the horizon, casting red and orange streaks across low-hanging clouds. the portly, gray-haired gentleman jogging down the path looked out of place. for one thing, he was dressed in ordinary street clothes, not a sweat suit. also, every few seconds, he looked anxiously back over his shoulder. coming closer to me, i saw that his face was flushed. he was panting, almost gasping. abruptly, looking this way and that, he moved behind a tree. seeming not to notice my presence, he stood with his back against the trunk, panting heavily. after a moment, he poked his head out to survey the path. it was still empty, except for a squirrel that dashed across the path like a furry dart. i checked my watch. it was now 7: 30. mentally marking the time, i aimed my camera toward the man's face. 20. from the paragraph, you can conclude that the portly man is afraid of something. which one of the following elements gives the strongest evidence for that conclusion? a. he isn't dressed in a jogging suit. b. he's panting. c. he hides behind a tree. d. he's running in a nearly deserted park.

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