Can somebody help me please?

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?

What was one major cause of worldwide conflict during the first decade of the 21st century?

What issue led to the split in the democratic-republican party in the late 1850s