Why were Roman armies considered unstoppable

Monopolies were legal in the united states until a)the 1860s. b)the 1870s. c)the 1880s. d)the 1890s.

What phrase best describes the new worlf order

If any state tribunal decides a federal question and the litigant has no further remedy within the state court system, from which of the following remedies could the litigant possibly benefit? a. a hearing by a us district courtb. a hearing by a federal court of appealsc. a hearing by the us supreme courtd. a congressional vote b, the correct one!