Why do District Courts have original jurisdiction in most federal cases?

What was gained through the gadsden purchase

The delegates of the second continental congress who were ready to declare independence were from which area? a. new england b. the southern colonies c. quebec d. the middle colonies

Which act of the conquistador pizarro was crucial in overthrowing the inca? a. the destruction of the ancient inca city, machu picchu b. the siege of the inca capital near the cuzco valley c. the execution of the last inca ruler, atahualpa d. the unexpected deaths of 3 million inca warriors e. the murder of former inca emperor, huascar