How have humans made change to their environment due to industrialization/urbanization

How did the constitutional convention deal with slavery , one the most divisive issues of the period

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

Which statement is true of both presidential and parliamentary systems of government?