What is a dynasty and how does this relate to Chinese history

What are three supporting points as to why opium was wrong in the chinese trade? why should it have stopped? (opium wars)

15 points and brainliest if right which of the following was not a european achievement during the middle ages? gothic style architecture the canterbury tales by geoffrey chaucer troubadours grand canal

An effect of the steamboat's popularity was that fewer people traveled by rail. o steam locomotives became less popular. people began to build canals in the united states and europe. o more people began to travel between the united states and europe.