1825: Turnpikes, canals, and rail lines drastically changed America's landscape, beginning in the 1800s. Following the War of 1812, the American economy was altered from an economy partly dependent on imports from Europe to an empire of internal commerce.
Emmanuel-Joseph Sieyès, (born May 3, 1748, Fréjus, France—died June 20, 1836, Paris), churchman and constitutional theorist whose concept of popular sovereignty guided the National Assembly in its struggle against the monarchy and nobility during the opening months of the French Revolution.
C I think cause teen pregnanty is not really important then the other answers a brainliest will help :)