He could post them on social media such as twitter and facebook. it would be better because so many people use social media outputs.
Considerable investments in agriculture have enabled China's farmers to produce high volumes of staple crops, allowing the country to achieve a roughly one-to-one ratio of production and consumption of grains.
Here you have a vast definition :) May it be helpful.
Answer:
Invasions by Barbarian tribes
Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s.
