Based on what you already know about the American frontier, what obstacles do you think American settlers had to overcome to conquer it?

1. American Indians

2. Harsh Weather Conditions

3. Disagreements among political leader

4. Conflicts between settlers.

Explanation:

Given that the American frontier is a term used to describe the people or first settlers of the Americans in the United States during the westward expansion following the Louisiana purchase by the United States. These first settlers in the American expansion often referred to as the Old West or the Wild West, faces different obstacles, before finally overcoming them.

These obstacles we're the following:

1. American Indians

2. Harsh Weather Conditions

3. Disagreements among political leader

4. Conflicts between settlers.

from the conditions of the working class in england by friedrich engels,the main idea is :