When the Roman Empire began in 27 B. C., the emperor .
A.
removed the senate
B.
had tribunes control the provinces
C.
was the head of the army
D.
was elected by the plebeians

b. second continental congress

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.