What developments in transportation and communication made imperialism easier?

Steam-driven ships allowed Europeans to reach distant Asian, African, and Pacific ports more quickly and predictably and to penetrate interior rivers as well.

Explanation:

in all honesty, it really hasn't. except that hitler killed himself.

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.