Four changes that were ocurring in the U.S cities between 1850 and 1900 were:
1. There was a lot of <u>migration</u> to big cities. Cities grew enormously because of migration. For example, after the Civil War, Afro Americans migrated to northern cities trying to avoid extreme racism in the south.
2. Development of <u>railroads</u> and trains, there were new railroad lines. There was a development of steel mining, steel was used to construct the new railroads.
3. <u>Architecture</u> changed because most new structures were made out of steel. The city's landscape changed considerably, many new buildings were built.
4. Development of <u>industry</u>, particularly steel. Cities started being populated by industrial workers.
Because the Soviet economy was in serious trouble.
The Neolithic Revolution<span> or </span>Neolithic Demographic Transition<span>, sometimes called the </span>Agricultural Revolution<span>, was the wide-scale transition of many human cultures from a lifestyle of </span>hunting and gathering<span> to one of </span>agriculture<span> and settlement, making possible an increasingly larger population.</span>
Answer:
I think the answer is B (:
