Europe has played a leading role in the sectors of human development

The European continent has the largest number of countries among the first in the measurements of the Human Development Index. This fact, a consequence of planning and high investments in the social area for decades.

The Human Development Index (HDI), Consists of the average obtained through the analysis of three factors: Gross National Income (GNI) per capita (calculated based on the purchasing power parity - PCC); educational level of people (average years of study of the adult population and expected number of years of study.); population life expectancy (life expectancy at birth).

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.

because he was a christian?