which aspect of the roman empire aided in the spread of christianity?

a there were many roads and waterways, and travel was safe.

b persecution only occurred in the very early days of the church.

c most areas of the empire were tolerant of different religious beliefs.

d christian leaders negotiated with roman officials to stop persecution.

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