Political unrest, famine, lack of work, and religious persecution were the reasons why immigrants came to the united states during the second half of the nineteenth century true or false

What makes fort sill historically unique among other regional military installations? a. it is the site where seven major commanders of us military efforts were trained. b. it houses the largest explosive weapons factory in the united states. c. it specializes in training soldiers to preserve the cultural artifacts of nations invaded by the us military. d. it is the oldest functioning installation in oklahoma.