In order to provide fresh waster for their citizens, Roman engineers developed , which carried water for hundreds of miles into the cities. A. Aqueducts
B. Arches
C. Coliseums
D. Roads
E. Other(If other please write your answer)

Where were the trials to review evidence in cases against high-ranking nazi officials accused of war crimes held?

Two gymnastics teams are intense rivals. the first team has started recruiting new gymnasts from different cities and even foreign countires in an effort to build a stronger team. after learning this, the secondteam begins its own recruitment campaign to find better gymnasts. over a period of months, each team recruits dozens of players, each time trying to find a better recruit than its rivals most recent addition. which idea from the cold war is most similar to this scenario

Why would the free rider problem prevent a private business from investing in the building of a city sidewalk?