What was the impact of the Columbian Exchange on both Europeans and Native Americans?

How did the mausoleum at halicarnassus transform society? 25 points pl i need

How did american entry into world war i affect the allied powers?

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?