What was one consequence of roman expansion beginning in 300 bce?
a(soldiers became less loyal to their generals.
b(plebeians lost their influence in government.
c(economic problems began to increase.
d(rome was no longer a center of trade

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the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.