How did Christianity spread through Western and Central Europe during the early Middle Ages?
Monasteries provided education and care for the poor.
The Gospels were translated into Latin, the language peasants used.
The Benedictine Rule forced everyone to pay a tithe to support new churches.
Missionaries traveled across the continent, preaching the Gospels.

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