Why is it useful for historians to be siri in studies on the analysts of geographic regions a) societies located in the same region can affect each other's development. b) the major historical themes apply only to certain civilizations in certain regions. c) the particular countries that make up each region do not change over time . d) experience has confirmed that analyzing regions is the most effective approach to history.

Choosing to engage in military action to assist another country is an example of sanctions. internationalism. o isolationism. o diplomacy.

“[the city’s engineers excelled in areas] neglected by the greeks, such as the construction of roads and aqueducts, and of sewers that could wash the filth of the city into the tiber. they have built paved roads throughout the country, leveling ridges and filling up hollows, so as to make possible the movements of heavily loaded wagons. . and such is the quantity of water brought in by the aqueducts, that veritable rivers flow through the city and its sewers: almost every house has cisterns, waterpipes, and copious fountains.” —strabo, as quoted in empires ascendant: time frame 400 b. c.–a. d. 200 cisterns are tanks that hold water until it is needed; if a house has a cistern, it is likely to also have a. aqueducts. c. a swimming pool. b. a fish pond. d. sinks and faucets.

Since the 700 what was the relationship between muslims and christians on the iberian peninsula? how does this relationship impact the desire of christiannations in the iberian peninsula to spread christanity?