According to gibbon, in what ways has "primitive man progressed over time? what assures the author that this progress will continue?

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons

During the age of global expansion and encounter, many individuals brought about change. how might we prepare for changes today?

The expansion of the railroad networks led to