In ancient times, why were migration activities of different scales always carried out in the Guanzh

For a variety of reasons, migration activities have been carried out on various scales, with a focus on the Guanzhong region and the north-western frontier region. Among them, the main thing is to increase the population of Guanzhong and increase the resistance to the Xiongnu

Because these places are often in turmoil, they are not suitable for people to live. So there are always migration activities of varying scales.

Kanto region immigration Kanchu; The migration to the northwest was to strengthen the defense of the border and at the same time solve the problem of lack of land for the displaced people in the inner county.

Because of the war and chaos in these places, the land resources have been destroyed to a certain extent, and people have to find new homes.

Guanzhong is the key place of war for the heroic uprisings of the past dynasties. The northwest is cold and desert with a shortage of water.

There are two main situations, one is to move the rich and the strong in Guanzhong; One is to emigrate civilians and criminals to the border.

Migration to the Hetao region of Inner Mongolia and the Hexi Corridor of Gansu Province is a forced relocation.

Because in ancient society, people were extremely short of materials, food and grass, and the border was constantly in turmoil all year round.

Prevent the officers of the premises from colluding with each other, and strengthen the control system of the center over the premises.

It was the increase in the population of Guanzhong that the immigrants wanted to strengthen the defense force of the border and solve the problem of lack of land for the displaced people.

Population migration is entirely driven by political factors, and it is also the process of the gradual expansion of the development pattern in the Yangtze River basin from Jiangxi to Huguang.

Because of the different regions, there is also a different contrast between the geographical location and the development at that time.

The regional culture is different, the location and development will be different, and a comparison will be made.

In different periods, because of the different regional cultures, the location and development will be different.

Because in different periods, geographical location and local development have different contrasts.

The Central Plains, referring to the middle and lower reaches of the Yellow River, has been said since ancient times that "those who win the Central Plains win the world", which is related to the political culture of the time.

This is related to the political environment, economic conditions, material resources, etc. at that time.