Romans came into contacts with Greeks during the Sammite Warsduring the third and fourth centuries BC. Later, the Romansconquered Greece.
Is there a article or anything that could be used?
Hunter-Gatherers were nomadic tribes who relied on moving to different locations in search of fertile hunting/gathering grounds. Sometimes, these lands they explored were barren, while some were plentiful, but the key was to keep moving, so they could not stay in the fertile land for long.
Eventually, humans started to farm, and domesticate animals, which led into the Neolithic Era (civilization). Farming gave humans the assurance of constant food, and furthermore, set more social roles and behavioral standards for communities. However, this transition caused the loss of equality for different people in a community, and raised the style of living we know, with the establishment of classes and governments.
Answer: To receive Holy Communion worthily it is necessary to be free from mortal sin, to have a right intention, and to obey the Church's laws on the fast required before Holy Communion out of reverence for the body and blood of Our Divine Lord.
Hope this help have a good day :)