Answer: Primary source
Explanation: Primary sources include: letters, maps, paintings and TOOLS.
The spread of diseases from the new world to Europe and vice versa
Answer:
One stands in front of a Rostrum and one stands upon the Rostra. ... During the late Republic the rostra was used as a place to display the heads of defeated political enemies. Gaius Marius and consul Lucius Cornelius Cinna captured Rome in 87 BC and placed the head of the defeated consul, Gnaeus Octavius, on the Rostra.