Why the present day of world is called World of service?​

By the end of the 1940s the number of broadcast languages had expanded and reception had improved, following the opening of a relay in modern-day Malaysia and of the Limassol relay in Cyprus in 1957. On 1 May 1965 the service took its current name of BBC World Service.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

answer; i believe the correct answer is (crops);