Why was it difficult for early tsars to free the serfs? a. Russia relied on serfs and the serfdom system too much b. Serfs did nothing to help Russian serfs, they did not deserve to be free c. It was not difficult, Peter the Great freed them completely d. All serfs loved being and serving as serfs

People from which group were tried for murder following the haymarket riot?

Brainliestttme : describe the following event: increase in islamic extremism in the middle east

“[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.