What makes someone a minority leader in congress ( i need the answer asap)

List two inventions that were invented in the united states before the american civil war

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?

During the age of imperialism, suez canal connected which two bodies of water?