What is the time and background of the American westward movement?

What is the background of American westward movement? The background of American westward movement can be divided into two aspects, namely, the social background and the domestic environment of the United States at that time. Before the large-scale westward movement of the United States, colonial activities in the west had already appeared. The main force is the slave owners in the south and the industrial capitalists in the north. They want to get more land in the west and live a richer life.

The initial wave of immigrants mainly came from Britain. In order to better control the colonial people, Britain issued relevant laws in 1763, prohibiting immigrants from crossing the Appalachian Mountains. This law was not abolished until the American War of Independence broke out, and then Britain and the United States signed a peaceful solution. Britain turned the area from the west of the Appalachian Mountains to the Mississippi River into an open area of the United States. In 1830, the then President of the United States passed a bill to move the Indians to the east of the Mississippi River, and the colonial movement began to develop rapidly.

A large area of land was occupied by plantation slave owners and developed into a major cotton producing area in the United States. At the beginning of the revolution of independence, there were only a few French people living in the main settlements of Indians, but by 1860, this number had increased to about 7 million, making it a developed area for grain cultivation and animal husbandry. The United States launched a foreign war, expanded its colonial area and further developed capitalism. 18 10 Spain was at war, 1864 Britain was at war again. At the same time, at 1846 and 1853, the war between the United States and Mexico began. In a word, in order to win a large area of land, the United States keeps provoking wars. This is the background of American westward movement. In addition, since the independence of the United States, the British law prohibiting immigrants from moving westward has been abolished, and many residents in the eastern coastal areas have joined the ranks of moving westward, eventually becoming the main body of early immigrants in the west. This is the whole content of the background of the American westward movement.