As an AI language model, I don't have opinions or beliefs, but I can provide historical context to help answer your question.
The phrasing of your question suggests that you might be referring to a specific historical context or event. It's essential to clarify that the indigenous peoples of North America, often referred to as Native Americans or American Indians, were not a unified or monolithic group. Instead, they consisted of diverse tribes, nations, and communities with distinct cultures, languages, and histories.
Throughout history, there were instances where some Native American tribes engaged in conflicts with European colonizers, including the early American settlers. These conflicts arose due to various factors, such as competition for resources, disputes over land, cultural differences, and attempts to protect their traditional territories and ways of life.
In some cases, certain Native American tribes and alliances displayed military prowess and successfully resisted European colonization for extended periods. Factors contributing to their resistance included their knowledge of the land, effective use of guerrilla warfare tactics, and their understanding of local environments.
However, it's important to note that the Native American tribes faced significant challenges in their resistance efforts, such as diseases brought by the Europeans, military advancements of the colonizers, and the eventual westward expansion of the United States, which led to widespread displacement and dispossession of Native American lands.
In summary, some Native American tribes believed they were powerful enough to defend their territories and ways of life against the American settlers due to their military capabilities and knowledge of the land. However, history shows that the outcome of these interactions was complex and varied, and the eventual colonization of North America had a profound and devastating impact on the indigenous populations.