9. the period during which increasingly complex territorial states developed and which lasted from roughly 4000 bce-1000 bce is often known as: a. the jurassic era b. the old stone age c. the bronze age d. the tin age

C. the Bronze age it is also when the foundations of the silk road are from because of the metals needed to create bronze.

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.

d.prevent the spread of communism outside of eastern europe.