What was trench warfare intended to accomplish??

The county could deny african americans the right to attend white schools on the basis of

Group formed to protect artisans and increase their profits

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?