The response to whether Document 4 approves what 1-3 says about the impact of colonists on Native Americans is Yes.
Why document 4 support the others
Document 4 supports the view that the colonists negatively affected the lives of the native Americans in some ways but the native Americans were generally welcoming to them.
When European colonists first arrived in North America, they encountered a wide range of Native American tribes with distinct cultures and languages. Some initial interactions were peaceful, with trade and cultural exchange taking place. However, as European colonization expanded, conflicts arose over land, resources, and cultural differences.