Which geographic features served as a barrier to political unity and encouraged the rise for independent city states in the ancient greece

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.

b europeans take corn to africa. corn becomes an important crop there.

hello most volcanoes are located at either divergent or convergent plate

this is where the plate motions aswell form magma

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.