are usually non-accusatory and have the goal of developing information to move a criminal investigation forward.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.

answereruption of molten material; magnetic stripes in the rock of the ocean floor; the age of the rocks themselves;