Answer:
Roughly 40 percent of Americans lived in cities, and the number was climbing. These large city populations caused crime rates to rise, and disease to spread rapidly. As a result of unsanitary living conditions, diseases such as cholera, dysentery, and typhoid fever struck urban areas with increasing frequency.
it was the first to space, a race between Russia and America. Russia won. They're really was no significance of winning expect bragging rights
By 285 CE the Roman Empire<span> had grown so vast that it was no longer feasible to govern all the provinces from the central seat of </span>Rome<span>. The Emperor Diocletian </span>divided<span> the </span>empire into<span> halves with the </span>Eastern Empire<span> governed out of Byzantium (later Constantinople) and then </span>Western Empire<span> governed from </span>Rome<span>.</span>
The answer is mostly likely a or b I would go with B
I think it’s transportation