What traits did Medieval Europe have as compared with the Roman Empire during this era?

Which of the following leaders launched successful revolutions against spanish rule in the northern regions of south america?

Which statement about submarine use in world war i is true? the allies never found a way to counter german submarine warfare. germany’s use of submarines affected the united states’ decision to enter the war. only the germans used submarines in world war i.

Which of the best following describes william jennings bryan’s learning experience